In this video, Betty demonstrates how to make her Magical Blueberry Cake recipe. It is magical because all you have to do is layer 5 ingredients, bake, and voila! Cake! It is rich in blueberry and pineapple flavor and has a crisp, nutty top! Ingredients: 20 oz. can crushed pineapple 21 oz. can blueberry pie filling 1 box yellow cake mix 1 stick butter or margarine, melted 1/2 cup chopped pecans cooking oil spray Spray a 13-inch by 9-inch by 2-inch baking dish with cooking oil. Layer the …