Blueberry Coffee Cake
["1/2 lb. butter or margarine (2 sticks)", "2 eggs, well beaten", "3/4 c. sugar", "1 tsp. vanilla", "2 c. sifted cake flour", "1/4 tsp. baking soda", "1/2 can blueberry pie filling"]
["Preheat oven to 375\u00b0.", "Grease 9 x 9-inch pan.", "Cream together sugar and butter until light and fluffy.", "Add eggs and blend well. Stir in the rest of the ingredients except the blueberries. Spread half the dough in the pan.", "Spoon the pie filling on the top; spread the other half of dough over the pie filling.", "Bake about 40 minutes or until cake tests done."]
["butter", "eggs", "sugar", "vanilla", "cake flour", "baking soda", "blueberry pie filling"]