Peter Paul Mound Cake
["1 1/2 c. sugar", "1 1/2 c. milk", "18 large marshmallows", "1 lb. coconut", "1 box devil's food cake mix", "1 can Pillsbury ready-to-spread double Dutch chocolate frosting"]
["Cook first 3 ingredients until thick.", "Add coconut.", "Spread on devil's food cake mix."]
["sugar", "milk", "marshmallows", "coconut", "cake mix", "ready"]