Overnight Coffee Cake
["3 c. flour", "1 tsp. salt", "2 tsp. baking powder", "1/2 c. margarine", "1 1/2 c. sugar", "1 tsp. vanilla", "4 eggs", "1 c. milk"]
["Mix well the night before.", "Place half of the batter in a greased 9 x 13-inch pan.", "Sprinkle with half of the topping.", "Add the rest of the batter and then the rest of the topping."]
["flour", "salt", "baking powder", "margarine", "sugar", "vanilla", "eggs", "milk"]