Pina Colada Cake
["1 pkg. yellow cake mix", "1 (8 oz.) can crushed pineapple, undrained", "1/2 c. shredded coconut", "2 tsp. rum flavoring", "1 (8 oz.) Cool Whip", "toasted coconut (for garnish)"]
["Prepare cake mix as directed, only substitute pineapple for water.", "Stir in coconut and rum flavoring into batter."]
["yellow cake mix", "pineapple", "shredded coconut", "rum flavoring", "coconut"]