This is a very old country recipe.
1 cup granulated sugar2 1/2 tablespoons cocoa3 tablespoons flour1/4 teaspoon salt3 1/2 cups whole milk1/4 cup (1/2 stick) margarine
Mix dry ingredients well and add milk until smooth.
Melt margarine in iron skillet. Add mixture and cook until desired consistency.
Serve over biscuits.