Pineapple Upside-Down Cake
["1/2 c. margarine", "1 c. sugar", "2 eggs", "1 1/2 c. flour", "1/2 tsp. salt", "2 tsp. baking powder", "1/2 c. pineapple juice", "1 tsp. vanilla", "No. 2 can pineapple", "1 c. light brown sugar"]
["Drain juice from crushed pineapple.", "Melt 4 tablespoons margarine in a 9-inch round deep pan.", "Add light brown sugar and the drained pineapple.", "Leave on a low fire until mixture bubbles. Pour cake mixture over.", "Bake at 350\u00b0 for about 1 hour."]
["margarine", "sugar", "eggs", "flour", "salt", "baking powder", "pineapple juice", "vanilla", "No", "light brown sugar"]