01 -
Cook 1 cup frozen raspberries with ¼ cup sugar over medium heat. Stir until syrupy, about 10 minutes. Strain and let cool.
02 -
Chop ½ cup frozen raspberries into small pieces. Keep frozen until needed.
03 -
Combine flour, baking powder, 1½ tablespoons cornstarch, and salt in a bowl.
04 -
Mix 2 tablespoons cornstarch with 3 tablespoons water until smooth.
05 -
Beat butter and 1¼ cups sugar until creamy. Add cornstarch mixture, milk, and cooled raspberry syrup.
06 -
Mix in flour mixture gradually. Add food coloring if using. Fold in frozen raspberry pieces gently.
07 -
Cover and freeze dough for 1 hour minimum.
08 -
Heat oven to 325°F. Scoop dough, roll in sugar, place on lined baking sheet. Bake 15 minutes. Reshape while hot.