1 box yellow or white cake mix

Prepare cake using directions on box. Pour in sheet cake pan and bake. While cake is hot, punch holes. Make a mixture of 1 cup milk and 1 cup sugar. Bring almost to boiling point. Pour this mixture over prepared cake. Sprinkle with small package of coconut (save a small amount for top). Let cool. Top with 1 medium container Cool Whip. Sprinkle with remaining coconut. Refrigerate.