Yum Yum Cake
["2 c. self-rising flour", "2 c. sugar", "2 tsp. baking soda", "1 (20 oz.) can crushed pineapple"]
["Mix well, but do not beat.", "Bake in 9 x 13-inch pan at 350\u00b0 for 30 to 40 minutes."]
["flour", "sugar", "baking soda", "pineapple"]