Backberry Jam Filling
Recipe type: Dessert
Makes: 1½ cups
  • 460g (~4 cups) fresh or frozen blackberries
  • 45 milliliters (3 tablespoons) real maple syrup
  • 20g (2 tablespoons) chia seeds
  • 2 milliliters (½ teaspoon) vanilla extract
  1. In a medium heavy duty pot, place blackberries and maple syrup over medium-high heat, stirring frequently until berries soften
  2. Use the back of a wooden spoon to smash about ⅔ of the blackberries; stir in the chia seeds
  3. Cook on low heat, stirring occasionally for about fifteen minutes or until jam is thickened to desired consistency
  4. Remove from heat and stir in lemon juice and vanilla
  5. Store jam in an airtight container in refrigerator up to two weeks
Source: Two Peas and Their Pod
This jam is very seedy from the fresh blackberries. If you prefer something different you can buy a seedless jam to use for the filling instead.
Recipe by Keep It Sweet Desserts at