Pineapple Angel Food Cake

1 box angel food cake mix (one bag inside box)
1 (20 oz.) can crushed pineapple, undrained

In large mixing bowl beat together cake mix and pineapple. Mix for one minute on low speed, then two minutes on medium speed. Scrape down sides of bowl. Pour batter into 13-inch by 9-inch ungreased baking dish. Bake, uncovered, in preheated 350° oven for 25-30 minutes or until top is lightly browned. Allow cake to cool, then cut into squares. Serve with whipped topping or vanilla ice cream. Top with pineapple ice cream topping, if desired. (Do not add oil or eggs to this recipe.) 12-16 servings.