Ingredients:

• 1/2 cup butter or margarine;
• 2 cups sugar;
• 3 eggs;
• 1 cup milk;
• 3 cups flour;
• dash salt;
• 1 tsp  baking powder;
• 1 tsp  vanilla;
• 2 1/2 cups blueberries

Method:
Preheat oven to 350 degrees. Grease and flour a 9x13 pan. Cream butter, sugar and eggs together, and then stir in the milk. Add flour, salt, and baking powder. Mix well. Add vanilla, mix well. Fold in blueberries. Pour into pan and bake at 350 degrees for about 50-60 minutes.