Having a jar of homemade jam in the fridge is elite status. And this raspberry chia seed jam is the kind you make one time and then just keep making without even thinking about it.

No pectin, no complicated process, just a handful of ingredients and about 15 minutes on the stove. It’s bright, slightly tart, and just thick enough to swipe onto toast, swirl into yogurt, or eat straight off the spoon (which, honestly, happens more than I’d like to admit, haha).

Why This Is the Best Raspberry and Chia Seed Jam

It’s simple, reliable, and doesn’t require anything fancy. The chia seeds do all the work here, thickening the jam naturally while adding a little texture. It sets up beautifully without turning stiff or overly sweet, and you can adjust it easily depending on how you like your jam to taste.

Ingredient Notes

• You can use fresh or frozen rasbperries for this jam. Both work perfectly. Using frozen makes this something you can enjoy all year long (yay!).
• The chia seeds are essential. They thicken the jam naturally (so there’s no pectin needed).
• You can use either honey or pure maple syrup to sweeten the jam.
• Avoid using granulated sugar though. It typically needs pectin and a longer cook time to thicken properly, so it won’t work very well in this recipe.
• Use fresh-squeezed lemon juice to help balance the sweetness. You can substitute imitation if that’s all you have.
• The sea salt is important in making the flavors pop, so don’t forget it.

Step-By-Step Instructions

1. Add the raspberries to a small saucepan and cook over medium heat for 5–7 minutes, stirring occasionally, until they break down and become juicy.
2. Lightly mash the berries with a spoon or fork. Let the mixture simmer another 2–3 minutes to thicken slightly.
3. Stir in honey (or maple syrup), lemon juice, and a pinch of sea salt.
4. Remove from heat and stir in the chia seeds. Let the jam sit for 10–15 minutes, it will thicken as it cools.
5. Taste and adjust sweetness if needed. Let cool completely and then store it in airtight container (like a mason jar) in the fridge for up 1 week.

A Note About Chia Seed Jams

Chia seeds do have a flavor, and if you don’t eat them regularly, it can catch you off guard. So if your jam doesn’t taste quite right (a little flat, too tart, or even slightly earthy, which can happen with chia seed jams), don’t panic—it’s an easy fix.

Add a little more honey, 1 tablespoon at a time, until the flavor sweetens. Then add lemon juice, 1 teaspoon at a time. Finish with a tiny pinch more of salt to balance it out. Raspberries can vary quite a bit in sweetness, so each batch of jam may need a slightly different balance.

The honey, lemon juice, and sea salt do all the heavy lifting here, and a quick adjustment can take the jam from “not quite right” to exactly what you want. Don’t be afraid to expermiment with it.

Recipe Tips & Notes

• If you like a smoother jam, mash the raspberries more as they cook.
• Prefer it less seedy? You can strain some of the raspberry seeds before adding the chia seeds.
• The jam thickens more as it chills, so don’t overdo the chia seeds at the start.
• If it gets too thick, stir in a splash of water or lemon juice to loosen it back up.
• Use honey for a more classic jam flavor, or maple syrup for a slightly deeper, warmer sweetness. Both blend smoothly and work better than granulated sugar in this (no-pectin) recipe.
• Add the honey and lemon juice at the end for the best flavor.

Storage Recommendations

Store the jam in an airtight container (like a mason jar) in the refrigerator for up to 1 week. You can also freeze it for up to 3 months, just thaw in the fridge overnight before opening. The jam will expand slightly when it freezes so make sure to leave a little room at the top when filling the jar.