Blueberry Cake - cooking recipe

Ingredients

1 Duncan Hines butter cake mix
1 (3 oz.) instant vanilla pudding
1/2 c. cooking oil
1 stick margarine
4 eggs
1/2 c. water

Preparation

Beat margarine, then add other ingredients and mix well. Bake at 350\u00b0 for 20 to 30 minutes.
Makes 3 layers or one 9 x 13-inch pan.