Ingredients
Method
- Preheat the oven to 375 degrees F (190 degrees C). Grease a 9×13 inch pan.
- Mix 1 cup sugar, 3 cups flour, and baking powder. Add salt and lemon zest. Blend in butter and egg. Pat half of dough into the prepared pan.
- Stir together sugar, cornstarch, and lemon juice. Gently mix in black raspberries. Spread over crust. Crumble remaining dough over berries.
- Bake for 45 minutes, or until top is slightly brown. Cool completely before cutting into squares.
Notes
Let the bars cool completely in the pan before cutting for clean squares.