Set aside cake mix.
Mix all dry ingredients, then mix the remaining ingredients in a separate bowl.
Combine the two mixtures and set aside.
Prepare the cake mix according to directions.
Combine this with the other mixture.
Pour into well-greased 12” oven.
Bake with coals on top and bottom for 12-15 minutes.
Remove from fire and continue cooking with coal on top only (approximately 15 minutes).