Simple Mixed Berry Jam Gluten Free Vegan

The Best Homemade Mixed Berry Chia Seed Jam (Easy, Gluten-Free & Vegan Recipe)

Thick, rich, and naturally sweet with the season’s freshest berries, this homemade mixed berry jam is an absolute game-changer, easily surpassing any store-bought alternative. Not only is it bursting with vibrant fruit flavor, but it’s also packed with tiny chia seeds, offering a powerful boost of fiber, omega-3 fatty acids, and essential nutrients. Forget complicated canning processes; all you need are 4 simple ingredients and just 40 minutes to create this incredibly delicious and wholesome spread! What’s more, this recipe is naturally gluten-free, dairy-free, and entirely vegan, making it a perfect treat for everyone to enjoy.

Hand holding a jar of homemade mixed berry chia seed jam.

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Celebrating the Season’s Freshest Berries

There’s a special kind of magic that arrives with spring and summer: the glorious abundance of fresh berries! From plump, juicy strawberries to the deep, sweet burst of blueberries, these fruits are truly nature’s candy. I find myself constantly drawn to the vibrant colors and irresistible flavors of berries, and I can almost never get enough of them. Whether enjoyed straight from the punnet, baked into comforting strawberry crumble bars, simmered into a warm mixed berry crumble, or studded generously in fluffy strawberry muffins or blueberry muffins, berries are a staple in my kitchen all season long.

The key to truly exceptional jam lies in the quality of your fruit. When berries are at their peak ripeness – naturally sweet and bursting with juice – they require less added sugar and deliver the most intense flavor. Take advantage of farmers’ markets or local farms during berry season to find the freshest, most flavorful options. Look for berries that are plump, firm, and uniformly colored, with no signs of mold or bruising. This simple step alone will elevate your homemade jam from good to absolutely extraordinary.

Why Homemade Jams Are Simply the Best

Summer offers an abundant harvest of beautiful berries, making it the perfect time for jamming. You can easily find pounds of various types of berries at farmers’ markets or local farms, and there’s nothing quite like transforming this fresh produce into delicious spreads. As someone who absolutely adores all things homemade – from baking my own bread to preparing nut milks and even grinding homemade flours – it’s no surprise that I’m also a huge enthusiast of crafting my own jams and marmalades.

The appeal of homemade jam extends beyond just the taste. It’s about knowing exactly what goes into your food, controlling the sweetness, and avoiding artificial preservatives, colors, and flavors often found in store-bought varieties. Plus, there’s an immense satisfaction that comes from creating something so delicious from scratch. Our kitchen frequently features favorites such as this easy apricot jam, a delightful plum jam, and the sweet-tart zing of this kumquat marmalade. Each jar tells a story of the season, a labor of love, and a commitment to wholesome, flavorful eating.

A wooden bowl overflowing with fresh, vibrant berries

Unbelievably Delicious Homemade Mixed Berry Jam

This mixed berry chia jam truly stands out as one of the best and most versatile recipes in my collection. It’s almost ridiculously simple to make, yet its flavor is as beautiful and vibrant as the fresh, juicy berries of the season. It’s an ideal way to harness and preserve that incredible summer fruit! The resulting jam is wonderfully thick, naturally sweet, and incredibly adaptable. Imagine it generously slathered alongside peanut butter in classic peanut butter and jelly sandwiches, spooned lavishly over creamy ice cream for a decadent dessert, or swirling into a bowl of Greek yogurt for a healthy breakfast. Pure bliss!

Beyond breakfast and dessert, this delightful homemade jam can be incorporated into a variety of other recipes. Use it as a filling for delectable thumbprint cookies, spread it over scones, or even warm it slightly and use it as a glaze for pastries or roasted meats for a touch of sweet and savory. Its natural richness and fruit-forward flavor make it a fantastic addition to both sweet and savory dishes, proving just how much culinary magic you can create with a simple jar of homemade goodness.

The Power of Chia Seeds in Your Jam

If you haven’t yet welcomed chia seeds into your diet, now is the perfect time to start! These tiny, oval, grey seeds may be minuscule in size, but they are nutritional powerhouses. Chia seeds are rich in nutrients, offering a fantastic source of antioxidants, essential minerals, dietary fiber, and beneficial omega-3 fatty acids.

Their versatility makes them a wonderful addition to countless meals. Sprinkle them over creamy Greek yogurt, mix them into your overnight oats, or add them to salads for an extra crunch. You can even incorporate them into bread dough to create nutritious multi-seed bread, or enjoy them as a delightful dessert in chocolate chia pudding or refreshing mango chia seed pudding. Beyond their nutritional benefits, chia seeds possess a remarkable characteristic: their ability to absorb liquids and form a natural gel. This gelling property is precisely why they are so perfect for homemade jam, as they transform cooked fruit into a thick, delicious spread with that coveted jam-like texture, all without the need for added pectin.

Fresh strawberries and blueberries neatly arranged on a wooden chopping board.

Why This Mixed Berry Chia Jam Recipe Works So Well:

  • Effortless Simplicity with Minimal Ingredients: You genuinely need just three primary ingredients (berries, sugar, chia seeds) to create this incredibly easy mixed berry jam. Chances are, you already have most of them in your pantry, and if not, they are readily available at any grocery store – no exotic or fancy items required! The beauty lies in its straightforward nature, making it accessible even for novice cooks.
  • Beginner-Friendly and Super Easy to Make: Don’t be intimidated if this is your first foray into jam-making! This homemade mixed berry jam recipe is remarkably simple. It’s essentially a matter of simmering your chosen fruits and a touch of sugar together over medium heat until the berries soften and break down, then stirring in the magical chia seeds to achieve the perfect jam consistency. The process is intuitive and incredibly rewarding.
  • Dietary Inclusive: 100% Gluten-Free, Dairy-Free, and Vegan: This healthy jam is thoughtfully crafted to be entirely gluten-free, dairy-free, and completely vegan. This means that individuals with Celiac disease, gluten sensitivities, or lactose intolerances can wholeheartedly enjoy this delightful spread without any concerns. It’s a treat truly for everyone!
  • No Pectin Needed – Naturally Thickened: One of the greatest advantages of this recipe is that it requires absolutely no added pectin. Both blueberries and strawberries naturally contain pectin, the gelling agent responsible for thickening jams and jellies. Furthermore, the superstar chia seeds play a crucial role, naturally absorbing liquid and creating a wonderfully thick, luscious texture, eliminating the need for any artificial thickeners or extra steps.
  • Quick Preparation Time: Unlike traditional jam-making that can often take hours, this chia seed jam comes together in about 40 minutes from start to finish. This makes it a perfect recipe for a busy weeknight or when you want a fresh batch of jam without a huge time commitment.
  • Healthier Option: With fresh berries and the added nutrients from chia seeds, this homemade jam is a healthier alternative to many store-bought jams which can be loaded with excessive sugars and artificial ingredients. You control the sweetness level, making it as wholesome as you desire.
Slicing fresh berries on a wooden chopping board, ready for jam making.

Essential Ingredients You’ll Need:

Crafting this vibrant mixed berry chia jam requires only a handful of essential ingredients. The key is to select the freshest and highest quality produce available to ensure the best flavor. Here’s a visual overview of what you’ll need to gather before you start.

(For exact measurements and detailed instructions, please scroll down to the comprehensive printable recipe card located at the bottom of this post.)

A visual display of all ingredients required for mixed berry jam recipe: fresh strawberries, blueberries, sugar, and chia seeds.

Recipe Notes/Helpful Substitutions:

  • Berries for Optimal Flavor: The beauty of this recipe is its flexibility with berries. While I personally love a classic mix of fresh strawberries and blueberries for their balanced sweetness and tartness, feel free to use any combination of fresh or even frozen berries you have on hand. Blackberries and raspberries will also work beautifully, creating a triple berry jam or a unique single-berry flavor. The best berries are ripe, juicy, and in season, ensuring maximum flavor payoff.
  • Choosing Your Sweetener: I typically use regular white granulated sugar in this recipe, which helps enhance the natural sweetness of the fruit while aiding in preservation. However, you have options! You can opt for light brown sugar for a deeper, more caramel-like note. For those managing blood sugar levels, such as individuals with diabetes or insulin resistance, I highly recommend using a 1:1 sugar substitute like granulated monk fruit sweetener. It has a zero glycemic index and won’t raise your blood sugar, making this a truly guilt-free treat. Adjust the amount to your personal taste.
  • The Essential Role of Chia Seeds: Chia seeds are a crucial component of this jam, not only for their impressive fiber content and nutritional benefits but also for their natural gelling properties. They are what thicken the jam without the need for traditional pectin. While I strongly advise against omitting them for the best consistency, if you truly dislike chia seeds, you can technically leave them out, but your jam will have a much thinner, sauce-like consistency. In that case, you might need to cook it down longer or consider a small amount of alternative thickener.
  • A Touch of Citrus (Optional but Recommended): For an extra layer of brightness and to help balance the sweetness, a squeeze of fresh lemon juice or lime juice (about 1-2 tablespoons) can be added during the simmering process. This isn’t strictly necessary for thickening due to the chia seeds, but it significantly enhances the overall flavor profile of your jam.

How to Make Mixed Berry Jam (Step by Step Guide):

1. Combine Berries and Sugar in a Skillet:

Begin by thoroughly washing your fresh berries. If using strawberries, hull them and chop them into smaller pieces for easier breakdown. In a sturdy large skillet or a medium saucepan, combine your prepared fresh fruit with the granulated sugar. Gently stir them together to ensure the sugar evenly coats the berries. This initial step helps draw out the natural juices from the fruit, preparing them for cooking.

2. Simmer to Perfection:

Place the skillet over medium heat. Continue to mix the fruit and sugar mixture well to combine. As it heats, the berries will begin to release their juices, and the sugar will dissolve. Allow this delightful mixture to simmer gently for approximately 30 minutes. It’s important to stir occasionally during this process to prevent the mixture from sticking to the bottom of the pot or pan and to ensure even cooking. The goal is to soften the berries and allow the flavors to meld beautifully.

3. Mash the Berry Mixture to Desired Consistency:

After about 30 minutes of simmering, the berries should be noticeably soft and have started to break down. At this point, you can decide on your preferred jam texture. If you enjoy a chunkier jam, simply use a fork or a potato masher to mash them further, achieving your desired level of chunkiness. For a smoother jam, continue mashing more vigorously or refer to the “For Smoother Jam” tip in the Dish by Dish Tips/Tricks section below.

Using a wooden spoon to gently mix fresh berries and sugar in a skillet during the simmering process.

4. Introduce Chia Seeds for Natural Thickening:

Once your berry mixture has achieved a thick, jam-like consistency – indicating sufficient liquid evaporation and fruit breakdown – it’s time for the star ingredient: the chia seeds. Add in the specified amount of chia seeds and stir them thoroughly into the hot fruit mixture for another 30 seconds. Ensure they are evenly distributed, as they will begin to absorb the liquid and thicken the jam as it cools. This step is crucial for achieving that signature chia jam texture.

Sprinkling whole chia seeds over the cooked fruit mixture in a skillet, preparing to mix them in.

5. Cool and Allow Jam to Thicken Naturally:

Once the chia seeds are mixed in, remove the saucepan from the heat. It’s important to allow the jam to cool down gradually at room temperature. As the jam cools, the chia seeds will continue to absorb liquid, and the jam will naturally thicken to a perfect spreadable consistency. Patience is key here – resist the urge to put it straight into the refrigerator, as slow cooling helps the gelling process.

6. Transfer to a Jar for Storage:

When the jam has completely cooled and reached its desired thickness, transfer it carefully into a sterilized glass mason jar or an airtight container. Properly sterilized jars ensure better preservation. Store your freshly made mixed berry chia seed jam in the refrigerator. It will keep beautifully for up to 2 weeks, ready to be enjoyed on toast, in desserts, or wherever your culinary creativity takes you.

Top down view of a glass jar filled with mixed berry chia seed jam, surrounded by fresh berries.

Dish by Dish Expert Tips/Tricks:

  • Embrace Berry Versatility: While this recipe calls for a delightful blend of fresh strawberries and blueberries, don’t hesitate to experiment with other types of berries or even a blend of three or four! Blackberries and raspberries are fantastic additions that will yield equally delicious results, creating a rich and complex flavor profile. You can even use frozen berries if fresh ones are out of season; just thaw them slightly before cooking and expect a little more liquid initially.
  • The Chia Seed Gelling Magic: Understand that the chia seeds are fundamental to this recipe. As they absorb the liquid released from the cooked fruit, they swell and create that beautiful, thick, gel-like texture that we expect from traditional jam. This natural gelling agent eliminates the need for added pectin, making this a simpler and often healthier alternative. Do not omit the chia seeds if you want a true jam consistency.
  • Achieving Your Preferred Jam Thickness: If you find you prefer your fruit jam to have an even thicker consistency, simply allow it to cook for a little longer over low heat. More liquid will evaporate, concentrating the fruit flavors and resulting in a denser jam. Keep stirring occasionally to prevent scorching. Conversely, if it’s too thick, a tablespoon or two of water can thin it out.
  • For a Super Smooth Jam: While I personally love the rustic charm and textural interest of fruit chunks in my jam, you might prefer a silkier, smoother consistency. To achieve this, after mashing with a potato masher, you can further blend the jam. Use an immersion blender directly in the pot for convenience, or carefully transfer the cooled jam to a high-speed blender or food processor. Blend until it reaches your desired velvety texture, then return to a jar.
  • Sterilization for Longevity: Always use clean, sterilized jars and lids when storing your jam. This helps prevent spoilage and keeps your jam fresh for longer in the refrigerator. You can sterilize jars by washing them thoroughly in hot soapy water, rinsing, and then boiling them in water for 10 minutes, or running them through a hot cycle in your dishwasher.
  • Flavor Boost with Vanilla: For an extra layer of warmth and complexity, consider adding a teaspoon of vanilla extract (or vanilla bean paste) after removing the jam from the heat, just before adding the chia seeds. It complements the berry flavors beautifully.

Recipe FAQs:

How to Store Mixed Berry Chia Seed Jam?

Once your delicious mixed berry chia seed jam has completely cooled to room temperature, transfer it to a sterilized glass jar (like a mason jar) or any other clean, airtight container. Store this jam in the refrigerator. It will maintain its freshness and delightful flavor for up to 2 weeks. For longer storage, see the freezing tip below.

Can I Use Frozen Berries Instead of Fresh for This Jam Recipe?

Absolutely! While fresh, in-season berries will always yield the most vibrant flavor, it is entirely possible to substitute fresh berries with the same amount of frozen berries. This is a fantastic option when fresh berries aren’t available or if you have a stash in your freezer. Simply place the frozen berries directly into your skillet or saucepan and heat them over medium heat until they are fully thawed and have released their juices. Once thawed, you can proceed with adding the sugar and simmering the mixture as the recipe indicates. You might find it takes a few extra minutes for the frozen berries to break down initially.

Can I Adjust the Sweetness of the Jam?

Yes, definitely! The amount of sugar in this recipe can be adjusted to your personal preference and the natural sweetness of your berries. If your berries are very sweet, you might want to reduce the sugar slightly. If they are quite tart, you can add a little more. Always taste the jam during the simmering process (carefully!) and adjust to your liking before adding the chia seeds. Remember that it will taste slightly less sweet when cooled.

Can I Water Bath Can This Chia Seed Jam for Longer Shelf Life?

No, this particular mixed berry chia seed jam recipe is not suitable for traditional water bath canning for long-term, shelf-stable storage. The reason is that chia seeds, while a wonderful thickener, can create density that prevents proper heat penetration during the canning process, potentially leading to an unsafe product. This jam is designed for refrigerator storage and should be consumed within two weeks. For longer storage, freezing is your best option!

Can I Freeze Homemade Mixed Berry Chia Seed Jam?

Yes, this jam freezes beautifully! Once completely cooled, transfer the jam into freezer-safe containers, leaving about an inch of headspace at the top to allow for expansion. Label and date the containers. The jam can be stored in the freezer for up to 3-4 months. When you’re ready to enjoy it, simply thaw it in the refrigerator overnight.

Hand mixing berry chia seed jam in a jar with a spoon.

Delicious Ways to Enjoy This Mixed Berry Jam:

This versatile mixed berry chia jam isn’t just for toast! Its vibrant flavor and healthy ingredients make it a fantastic addition to countless meals and snacks. Here are some of our favorite ways to enjoy this homemade delight:

  • Classic Breakfast Spreads: The most obvious, yet undeniably satisfying! Spread generously on your favorite homemade breads such as Soft, Fluffy Gluten-Free Bread (Dairy-Free), Buckwheat Bread (Gluten-Free, Dairy-Free), Brown Rice Bread (Gluten-Free, Dairy-Free), Millet Bread (Gluten-Free, Dairy-Free), Sorghum Bread (Gluten-Free, Dairy-Free), or this No-Knead Artisan Bread (Gluten-Free, Dairy-Free). It’s also incredible on pancakes, waffles, French toast, or biscuits.
  • Yogurt and Oatmeal Booster: Swirl a spoonful or two into your morning Greek yogurt, overnight oats, or hot oatmeal for an instant burst of fruit flavor and added nutrients.
  • Dessert Topping: Elevate simple desserts! Drizzle it over vanilla ice cream, panna cotta, cheesecake, or use it as a filling for tarts and pastries.
  • Baking Ingredient: Incorporate it into baking! Use it as a filling for thumbprint cookies, sandwich cookies, or a delicious swirl in muffins and quick breads.
  • Savory Pairings: Don’t limit jam to sweet dishes! It can be an excellent accompaniment to cheese boards, roasted chicken or pork, or even mixed into vinaigrettes for salads. The sweet-tart notes complement savory flavors beautifully.
  • Smoothie Enhancer: Add a tablespoon to your morning smoothie for natural sweetness and extra fiber.

Other Homemade Jam Recipes You’ll Love:

  • Easy Apricot Jam (Gluten-Free, Vegan)
  • Easy Plum Jam (Gluten-Free, Vegan)
  • Strawberry Chia Jam (Gluten-Free, Vegan)
  • Homemade Fig Jam (Gluten-Free, Vegan)
Spreading homemade mixed berry chia seed jam on a slice of golden toast.

P.S. If you try this recipe, I’d love for you to leave a star rating below, and/or a review in the comment section further down the page. I always appreciate your feedback. Be sure to check out my entire Recipe Index for all the recipes on the blog. You can also follow me on Pinterest, Facebook or Instagram! Sign up for my Email List to get fresh recipes in your inbox each week!


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Mixed Berry Chia Seed Jam

Homemade Mixed Berry Jam Recipe (Gluten-Free, Vegan)



5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 1 review


  • Author:
    felicia | Dish by Dish


  • Total Time:
    40 mins


  • Yield:
    1 jar


  • Diet:
    Vegan
Print Recipe

Description

Thick, rich and sweet with the season’s best berries, this easy mixed berry jam beats store-bought jam hands down. Plus, it’s filled with chia seeds for extra fibre and nutrients! All you need is 4 ingredients and 40 minutes to make this delicious homemade jam! Totally gluten-free, dairy-free and vegan too!


Ingredients


Units


Scale

  • 2 cups chopped strawberries
  • 2 cups blueberries
  • 1/2 cup sugar
  • 3 tablespoons chia seeds

Instructions

  1. Combine Berries and Sugar: Combine washed and chopped berries and sugar in a large skillet or medium saucepan over medium heat. Stir to combine thoroughly.
  2. Simmer Gently: Mix well and bring the mixture to a gentle simmer. Let it cook for approximately 30 minutes, stirring occasionally to prevent sticking, until the berries are very soft and juicy.
  3. Mash Berry Mixture: Once the berries have softened and begun to break down, use a fork or a potato masher to mash them to your desired consistency.
  4. Add Chia Seeds and Mix: When the fruit mixture has reached a thick, jam-like consistency, stir in the chia seeds. Mix continuously for about 30 seconds to ensure the seeds are evenly distributed.
  5. Let Jam Cool and Thicken: Remove the saucepan from the heat and allow the jam to cool completely at room temperature. The chia seeds will continue to absorb liquid, and the jam will thicken considerably as it cools.
  6. Transfer to Jar: Once the jam is fully cooled and thickened, transfer it into a sterilized glass jar (such as a mason jar) or an airtight container. Store your homemade mixed berry chia jam in the refrigerator for up to 2 weeks.

Notes

Berries: For this delicious mixed berry chia seed jam, I enjoy a combination of fresh strawberries and blueberries. However, you can truly use any fresh berries you have on hand, or even frozen ones (just thaw first).

Sugar: White granulated sugar is my go-to, but light brown sugar can be used for a richer flavor. For a zero glycemic index option, I highly recommend granulated monk fruit sweetener, which functions as a 1:1 sugar substitute.

Chia Seeds: Chia seeds are essential for adding fiber and achieving the jam’s thick consistency without pectin. While you can omit them, the texture will be significantly thinner and more like a berry sauce.

  • Prep Time: 10 mins
  • Category: Jam
  • Method: Stovetop
  • Cuisine: American

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