No preservatives,chia seeds is a natural thickener instead of pectin.
2 cups fresh or frozen blueberries (or strawberries, chopped)
2 tablespoons chia seeds
1 to 2 tablespoons maple syrup or honey
1 tablespoon lemon juice

Directions:
Simmer the berries medium heat, combine the blueberries, lemon juice, and sweetener. Cook for about 5 to 7 minutes, stirring occasionally,
Use the back of a fork or a potato masher to mash smooth or leave it chunky
Remove from heat. Stir in the chia seeds and mix thoroughly.
Let it thicken 10 to 15 minutes. As it cools, chia seeds absorb the liquid and transform it into a thick, spreadable jam.
Good for a week I'm fridge or freeze it