1 pkg. Duncan Hines Swiss chocolate cake mix
1 c. sugar
1 c. evaporated milk
1 stick butter
1 (14 oz.) pkg. coconut
24 lg. marshmallows

Bake cake mix according to directions using two round cake pans. Split layers. Make filling: boil sugar, milk, and butter for 2 minutes. Remove from heat and add coconut and marshmallows. Cool cake completely before adding filling.

Put filling between layers and frost with frosting.

FROSTING:

1 box powdered sugar
1/2 c. cocoa
3/4 c. softened butter
1/3 c. Pet milk