1 (4 oz.) pkg. lemon pie filling
1 (#2) can crushed pineapple
1 (8 oz.) carton whipped topping
1 (10 in.) angel food cake

Prepare pie filling according to directions. Drain pineapple well and add to pie filling. Slice cake in three layers and spread filling between layers and on top. Spread whipped topping around sides of cake. Chill thoroughly.