Fresh Fruit Base

Directions

1. 1
   Put the berries in a bowl (hull strawberries), add 3 tablespoons sugar, and gently stir to combine.
2. 2
   Let the berries sit at room temperature for 30 minutes, or until they start to soften and release their juices.
3. 3
   Transfer the mixture to a medium nonreactive saucepan, add the jam, and cook over medium-high heat until slightly softened.
4. 4
   Coarsely mash the berries using a potato masher or the back of a fork and continue cooking, stirring occasionally, until the mixture thickens to a jam-like consistency, about 20 minutes.
5. 5
   Remove from the heat and stir in the lemon juice.
6. 6
   Taste the mixture and add the remaining 1 tablespoon sugar, if needed, stirring to dissolve.
7. 7
   Transfer to a bowl and let cool.
8. 8
   Cover and refrigerate until cold and thickened, at least 2 hours or up to 24 hours.
9. 9
   The fruit base can be frozen (in 1/4-cup portions, if desired) for up to 6 months.
10. 10
    Defrost in the refrigerator overnight before using.