If you love jam but hate how sugary most shop‑bought jars are, this healthy chia plum jam is going to be your new best friend. It’s fruity, tangy, lightly sweet and thickened naturally with chia seeds instead of pectin. You can whip it up in about 15 minutes on the hob, and it feels like such a win when you spread it on toast knowing what actually went into it.
This is the kind of recipe I love for busy mornings: a little bit of chopping, a little bit of stirring, and then the chia seeds do all the clever thickening work while you get on with your day.
Why Chia Plum Jam Is a Healthier Choice
Traditional jam is usually just fruit plus a lot of sugar. That’s why it’s so thick and sticky, but it also means a big sugar hit for breakfast. With chia jam, we flip that on its head.
• Much less sugar
Instead of a huge amount of added sugar, the sweetness mainly comes from the plums themselves, with just a spoon or two of honey, maple syrup or sugar if you want it sweeter. You’re getting flavour without turning your breakfast into dessert.
• High in fibre and good fats
Chia seeds are little powerhouses – they’re packed with fibre and plant‑based omega‑3 fats, which can help keep you fuller for longer and support digestion. The fibre also helps slow down the release of sugars from the fruit, which is friendlier for blood sugar balance.
• All the goodness of plums
Plums bring vitamins, antioxidants and natural fibre to the party. Leaving the skins on means you keep even more of that goodness, and you also get a lovely rich colour in the jam.
Tips and Variations
Completely no‑added‑sugar version
If your plums are nice and ripe, you might not need any added sweetener at all. Just leave out the honey/maple and sweeten only if you find it too tart after cooking.
• Extra flavour ideas
Add a pinch of cinnamon, mixed spice or vanilla for a cosy flavour. A tiny pinch of salt can also make the fruit taste sweeter and more rounded.
• Smoother texture
If you prefer a smoother jam, you can lightly mash the plums with a fork or potato masher as they cook. For an ultra‑smooth finish, blitz the cooked fruit with a stick blender before stirring in the chia seeds.
• Scaling the recipe
You can easily double or triple the recipe. Just keep roughly the same ratios: for every 300 g fruit, use about 2 tablespoons chia seeds and adjust sweetener to taste.
Because chia seeds swell and naturally gel as they sit in the cooked fruit, you don’t need pectin, special sugars or any jam‑making wizardry. It’s pretty much chop, simmer, stir, done.
How To Use Chia Plum Jam
Honestly, once you’ve got a jar of this in the fridge, it disappears very quickly. Here are a few ideas:
• Swirled into Greek yogurt or Skyr
• On hot buttered toast or crumpets
• Dolloped over porridge or overnight oats
• As a filling for crepes or pancakes
• Stirred through cottage cheese or ricotta on toast
• As a quick layer in a jam tart or dessert pot
It also makes a cute homemade foodie gift if you pop it into a little jar with a label.
Healthy Chia Plum Jam (No Pectin, Low Sugar)
Makes about 1 small jar (250–300 ml)
Ingredients
• 300 g ripe plums, washed, stones removed and roughly chopped
• 1 tablespoon lemon juice (freshly squeezed)
• 1–2 tablespoons honey or maple syrup
(or 1–2 tablespoons golden caster sugar, to taste)
• 2 tablespoons chia seeds (about 20–25 g)
• 2–4 tablespoons water, only if needed (if your plums are not very juicy)
Method
- Prepare the plums
Wash the plums, remove the stones and roughly chop the flesh. There’s no need to peel them – the skins soften as they cook and add colour and fibre. - Start cooking the fruit
Add the chopped plums to a small saucepan along with the lemon juice and your chosen sweetener (start with 1 tablespoon; you can add more later if you like it sweeter). - Simmer until jammy
Place the pan over a medium heat. Gently simmer for about 8–10 minutes, stirring occasionally, until the plums break down and look soft and saucy.
• If the mixture looks very dry or starts catching on the bottom, add 2–4 tablespoons of water to loosen it.
• If it looks too runny, just keep cooking for a couple more minutes to let some of the liquid evaporate. - Taste and adjust sweetness
Take the pan off the heat and carefully taste a small spoonful (it will be hot). Add a little extra honey/maple/sugar if you’d like it sweeter and stir through. - Stir in the chia seeds
Sprinkle the chia seeds over the warm plum mixture and stir very well so they’re evenly distributed. The jam will still look runny at this stage – that’s fine.
6. Let it thicken
Leave the mixture to sit for 15–20 minutes at room temperature. The chia seeds will swell and thicken the jam. Give it an occasional stir so it thickens evenly.
• If after resting it’s too thick for your liking, stir in a spoonful of water.
• If it’s still a bit runny, you can stir in an extra teaspoon of chia seeds and let it sit a little longer.
7. Cool and store
Once you’re happy with the consistency, transfer the jam to a clean jar or container. Let it cool completely, then store in the fridge. Use within about 1 week.
Tips and Variations
• Completely no‑added‑sugar version
If your plums are nice and ripe, you might not need any added sweetener at all. Just leave out the honey/maple and sweeten only if you find it too tart after cooking.
• Extra flavour ideas
Add a pinch of cinnamon, mixed spice or vanilla for a cosy flavour. A tiny pinch of salt can also make the fruit taste sweeter and more rounded.
• Smoother texture
If you prefer a smoother jam, you can lightly mash the plums with a fork or potato masher as they cook. For an ultra‑smooth finish, blitz the cooked fruit with a stick blender before stirring in the chia seeds.
• Scaling the recipe
You can easily double or triple the recipe. Just keep roughly the same ratios: for every 300 g fruit, use about 2 tablespoons chia seeds and adjust sweetener to taste.
Shopping links to help – I may get a small commission
Jam making starter kit everything you need including jars
Chia seeds
Honey – the best you will ever taste
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