Overnight Coffeecake
["3/4 c. butter or margarine, at room temperature", "1/2 c. firmly packed brown sugar", "1 c. granulated sugar", "2 eggs", "1 c. buttermilk", "2 c. all-purpose flour", "1 tsp. baking soda", "1 tsp. baking powder", "1 tsp. cinnamon", "1/2 tsp. nutmeg", "1/2 tsp. salt", "Topping (recipe follows)"]
["In large bowl, cream butter with sugars until smooth.", "Add eggs and buttermilk; beat until slightly fluffy.", "Stir in flour, soda, baking powder, cinnamon, nutmeg and salt; mix well."]
["butter", "brown sugar", "sugar", "eggs", "buttermilk", "flour", "baking soda", "baking powder", "cinnamon", "nutmeg", "salt", "Topping"]