Coconut Cake
["1 c. butter", "2 c. sugar", "3 c. flour", "4 eggs", "3 tsp. baking powder", "1/2 tsp. salt", "1 tsp. vanilla", "1/2 c. buttermilk", "1/2 c. water", "2 c. sour cream", "2 c. sugar", "1 (9 oz.) pkg. coconut (frozen)"]
["Mix well; spread between layers after cake has cooled."]
["butter", "sugar", "flour", "eggs", "baking powder", "salt", "vanilla", "buttermilk", "water", "sour cream", "sugar", "coconut"]