Overnight Coffee Cake - cooking recipe

Ingredients

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

Preparation

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.