Moist 'N Creamy Coconut Cake
["1 (2 layer size) pkg. yellow cake mix or pudding included cake mix", "1 1/2 c. milk", "1/2 c. sugar", "2 c. flaked coconut", "3 1/2 c. or 1 (8 oz.) container Cool Whip, thawed"]
["Prepare cake mix as directed on package, baking in a 13 x 9-inch pan.", "Cool 15 minutes, then poke holes down through cake with utility fork."]
["layer", "milk", "sugar", "flaked coconut"]