Instructions

  1. In a mixing bowl, combine flour and sugar.
  2. Cut in butter until crumbly.
  3. Set aside 3/4 cup for topping.
  4. Add the baking powder, milk and egg yolks to remaining mixture; mix well.
  5. Beat egg whites until soft peaks form; fold into batter.
  6. Pour into a greased 13" x 9" x 2" baking dish.
  7. Sprinkle with blueberries and reserved crumb mixture.
  8. Bake at 350 degrees for 30-35 minutes or until golden brown and a toothpick inserted near the center comes out clean.