Cinnamon Walnut Coffee Cake 2 cups all-purpose flour 1 tsp. baking powder 1 tsp. baking soda 1 tsp. cinnamon ¼ tsp salt 2/3 cup butter or margarine, softened = 10 2/3 Tbsp. 1 cup sugar ½ cup packed brown sugar 2 eggs 1 cup buttermilk Topping ½ cup packed brown sugar ½ cup chopped walnuts … Read More