Surprise Coconut-Sour Cream Cake
["3 c. white sugar", "2 small cartons sour cream or 1 large carton", "1 pkg. frozen flaked fresh coconut (Angel Flake coconut in pkg. can be used)"]
["Mix these items together.", "Cover and refrigerate at least overnight."]
["white sugar", "sour cream", "frozen flaked fresh coconut"]