3 c. flour
1 tsp. baking soda
1 tsp. baking powder
1 c. sugar
1 c. butter (2 sticks)
1 c. sour cream
1 c. milk
1 tsp. vanilla
2 eggs
1 (20 oz.) can blueberry pie filling or fresh blueberries, cooked & thickened
1/4 c. flour
1/4 c. sugar
3 tbsp. butter

Mix first 4 dry ingredients together and cut in butter. Add sour cream, milk, eggs and vanilla. Beat well. Spread 1/2 of batter in buttered, 9 x 13-inch pan. Spoon filling on top of batter (DO NOT MIX FILLING INTO BATTER) and top with remaining batter.

Combine 1/4 cup each of flour and sugar together. Cut in 3 tablespoons butter and sprinkle over cake.

Bake at 350 degrees for 40 to 45 minutes (until center comes out clean when inserted with toothpick.) Serves 12 to 18.