Bishop’s Dutch Oven Cake

1 chocolate cake mix
½ c cocoa
1 cube butter
2 c water
1 c brown sugar
1 c marshmallows

Line dutch oven with heavy duty tin foil. Mix chocolate cake according to directions on pkg. Set cake mix aside.
In dutch oven, melt butter and add brown sugar and cocoa; stir well (don’t tear foil). Add water and marshmallows. Pour cake mix over all ingredients in dutch oven. Bake at 350° for 30 mins (8-10 coals on bottom, 14-20 coals on top). Don’t overcook.