Strawberry Trifle
["1 Duncan Hines Butter Recipe cake mix", "1 (15 1/2 oz.) can crushed pineapple", "1 (16 oz.) frozen strawberries", "1 small instant vanilla pudding, prepared according to directions", "1 container Cool Whip"]
["Bake cake mix according to the directions in a tube or 9 x 13-inch pan. Slice into slices when cool. Layer slices of cake, pineapple, strawberries and pudding until large bowl is full. Spread Cool Whip on top. Refrigerate until ready to serve. Best if refrigerated for several hours before serving."]
["Butter", "pineapple", "frozen strawberries", "vanilla pudding"]