Blueberry Coffee Cake
["2 1/2 c. flour", "1 1/2 c. sugar", "2 tsp. baking powder", "1 tsp. salt", "2/3 c. butter", "2 eggs, separated", "1 c. milk", "1 c. blueberries"]
["Sift together flour and sugar.", "Cut in butter.", "Reserve 3/4 cup of mixture for topping.", "Add baking powder, salt, egg yolks and milk to remainder of batter.", "Beat for 3 minutes on low speed. Beat egg whites until stiff; fold into mixture.", "Spread in baking pan.", "Arrange blueberries on top.", "Sprinkle with reserved 3/4 cup mixture.", "Bake at 350\u00b0 for 40 to 50 minutes."]
["flour", "sugar", "baking powder", "salt", "butter", "eggs", "milk", "blueberries"]