Mr. food's neighbor's coffee cake

Yield: 12 Servings

Ingredients:

1 c (2 sticks) butter
1 1/2 c Sugar
3 Eggs
3 c All-purpose flour
2 ts Baking powder
1 ts Vanilla extract
21 oz Blueberry pie filling MMMMM--------------------------TOPPING------------------------------- ~-
1/4 c all-purpose flour
1/4 c sugar
2 ts butter
1 ts ground cinnamon

Instructions:

======================================================= ============== ==== == Preheat the oven to 350°F. In a large bowl cream the 1 cup butter and 1½ cups sugar. Add the eggs one at a time. Add the 3 cups flour the baking powder and vanilla; mix well. Spread half the batter in a 9" x 13" baking dish that has been coated with n