Overnight Coffee Cake
["2/3 c. soft margarine", "3/4 c. white sugar", "1/2 c. brown sugar", "2 eggs", "2 c. flour", "1 tsp. baking soda", "1 tsp. baking powder", "1/2 tsp. salt", "1 tsp. cinnamon", "1 c. buttermilk"]
["Mix the night before:", "Cream margarine and sugars, add eggs and blend.", "Mix dry ingredients together and add alternatively with buttermilk (mix baking soda with buttermilk).", "Mix 1-2 minutes. Spread in a greased and floured 9x13 pan."]
["margarine", "white sugar", "brown sugar", "eggs", "flour", "baking soda", "baking powder", "salt", "cinnamon", "buttermilk"]