One Chocolate cake mix (Double chocolate or Dark chocolate)
Eggs as called for on cake mix
1 cube butter
2 T cocoa
1 cup brown sugar
2 cups water
1 cup mini marshmallows

1 can of soda pop

In a Dutch oven, melt butter; mix in cocoa and brown sugar. Then add 2 cups water and marshmallows. In a bowl stir up the cake mix with eggs and soda pop. Pour over mixture in Dutch oven, but don't mix. Cook about 20 to 30 minutes in a 12" Dutch oven with 14 coals on the top and 10 on the bottom. Serve with cool whip.