Overnight Coffeecake - cooking recipe

Ingredients

2 c. flour
1 c. sugar
1/2 c. packed brown sugar
1 tsp. baking powder
1 tsp. baking soda
1/4 tsp. salt
1 1/8 tsp. cinnamon
1 c. buttermilk
2/3 c. margarine, melted
2 large eggs

Preparation

Mix together then add: