Moist N' Creamy Coconut Cake
["1 pkg. yellow cake mix", "1 1/2 c. milk", "1/2 c. sugar", "2 c. coconut", "1 (8 oz.) container Cool Whip"]
["Bake cake according to directions.", "Pour into a 9 x 13-inch pan.", "Cool 15 minutes; then poke holes down through cake with a fork."]
["yellow cake mix", "milk", "sugar", "coconut"]