Pineapple Upside-Down Cake
["1/2 c. butter", "1 c. brown sugar", "1 (8 oz.) can crushed pineapple", "3 eggs, separated", "1 c. granulated sugar", "5 Tbsp. pineapple juice", "1 c. cake flour", "1 tsp. baking powder"]
["Melt the butter in a large iron frying pan or upside-down cake pan. Add the brown sugar and spread evenly over bottom of pan. Lay crushed pineapple in center.", "(Save juice to put in sponge batter.)"]
["butter", "brown sugar", "pineapple", "eggs", "sugar", "pineapple juice", "cake flour", "baking powder"]