1Preheat the oven to 325. Grease and flour a 10" Bundt
2Sift together the flour, baking powder, baking soda and salt and set aside.
3Using an electric mixter,cream together the butter, shortening and sugar. Add the eggs one at a time, mixing well after each addition. Add the dry ingredients alternately with the buttermilk, beginning and ending with the flour mixture. Add the vanilla and mix well.
4Pour the batter into the prepared pan and bake for 1 3/4 hrs. Remove the cake from the oven and cool in the pan for 10 minutes. Invert onto a cake plate. Can be served warm.