Ingredients 1 cup raspberries 2 tablespoons water 1 tablespoon sugar 1/2 cup butter, at room temperature 2 tablespoons powdered sugar 1 teaspoon blackberry liqueur 1/4 teaspoon lemon juice Directions Boil raspberries, water and sugar in a small saucepan over medium heat until syrupy, stirring frequently, about 5 minutes. Strain through sieve to remove seeds. Cool. Process with remaining ingredients until…