Instructions

  1. Preheat oven to 400°F.
  2. Combine sugar, flour, cornstarch and salt; toss with blackberries.
  3. Line 9-inch pie plate with pastry.
  4. Add black- berry mixture.
  5. Adjust top crust; cut slits to allow steam to escape.
  6. Bake for 40 to 45 minutes.