3 c. flour
1 tsp. cream of tartar
1 c. granulated sugar
1 c. brown sugar (packed)
1/2 c. butter
1 c. buttermilk
1 egg
1 tsp. baking soda

In a bowl, combine the flour, cream of tartar and sugar. With pastry blender, cut in the butter until mixture resembles coarse crumbs. Reserve 3/4 cup of mixture for topping.

To remaining mixture, add the cup of buttermilk, egg and baking soda, mixing thoroughly with a spoon. Turn into 2 greased 9 inch layer pans. Sprinkle on topping. Oven temperature 350 degrees for 30 minutes. Bake until golden brown. Let cool in pan and sprinkle with confectioners' sugar. Serve warm.