Coconut Sour Cream Cake
["1 pkg. butter flavored cake mix", "2 c. sugar", "1 (16 oz.) sour cream", "1 (12 oz.) frozen coconut, thawed", "1 1/2 c. frozen whipped topping, thawed"]
["Cook cake mix in 2 layers.", "When cool, split in 4 layers. Combine sugar, sour cream and coconut.", "Set aside 1 cup of this mixture to use later.", "Spread on top of each layer.", "Mix the 1 1/2 cups of thawed whipped topping with the cup of mixture.", "Ice top and sides of cake.", "Put cake in airtight container for 3 days in refrigerator before serving."]
["butter", "sugar", "sour cream", "frozen coconut", "frozen whipped topping"]