Ingredients:
- 2 cups fresh raspberries (or frozen)
- 3/4 cup granulated sugar
- 2 tablespoons lemon juice
- 2 tablespoons cornstarch
- 1/4 teaspoon salt
- 1 tablespoon unsalted butter (optional)
Instructions:
- Gently rinse and drain fresh raspberries (or thaw the frozen ones).
- In a small bowl, whisk together the sugar, cornstarch, and salt.
- In a medium saucepan, combine raspberries, lemon juice, and the dry mixture. Cook over medium heat until the mixture starts to bubble.
- Stir continuously for about 5–7 minutes until the filling thickens. If desired, add the butter and stir until melted and incorporated.
- Remove from heat and let the filling cool to room temperature, about 30 minutes.
- Use immediately for pies/tarts or refrigerate in an airtight container for up to a week.