1 (20 oz.) can crushed pineapple
1 (7 oz.) pkg. coconut
1 box yellow cake mix
2 sticks butter

Spray oblong pan with Pam or grease with butter. Empty pineapple with juice into pan. Spread coconut evenly over pineapple. Spread cake mix over coconut. Cut butter in small squares and spread evenly over cake mix. Bake at 350 degrees for about 45-50 minutes or until brown on top.