Mississippi Mud Cake

Mississippi Mud Cake
2 c sugar
2/3 c cocoa, separated
3 sticks butter, separated
1.5 c flour
4 eggs
2 t vanilla, separated
1 c chopped pecans or walnuts
1- 7oz jar marshmallow creme
6 T milk
2 c powdered sugar

1. Preheat oven to 350*.
2. Mix together sugar, 1/3 c cocoa, 2 sticks butter, flour, eggs, 1 t vanilla, and nuts. Pour into greased, floured 9x13 pan; bake for 30 minutes.
3. Spread marshmallow cream over cake while hot; let both cool while you make frosting.
4. Combine remaining ingredients (1 stick butter, milk, 1/3 c cocoa, powdered sugar, and 1 t vanilla) and spread over cooled cake.