Peter Paul Mound Cake
["1 box chocolate cake mix", "1 (16 oz.) pkg. frozen coconut", "1 (16 oz.) carton sour cream", "1 1/2 c. sugar", "8 oz. Cool Whip"]
["Bake cake mix as directed.", "Mix sour cream, coconut and sugar. Stir well.", "Let stand for 2 hours.", "Fill cake between layers with coconut mixture, saving 1 cup of mixture.", "Mix saved cup with 8 ounces of Cool Whip.", "\"Ice\" cake and refrigerate for 2 days."]
["chocolate cake mix", "frozen coconut", "sour cream", "sugar"]