Passover Apple Squares Recipe

Combine sugar, salt and matzo meal. Add egg yolks, oil ,juice and grated rind of lemon. Fold in stiffly beaten egg whites. Pour half of this batter into a greased 8x8 pan. Cover batter with thinly sliced apples. Sprinkle with remaining batter. Bake for 45 minutes in a 375 degree oven. Cool completely before cutting into squares.