3 cups sugar

1 ½ cups unsalted butter

5 eggs

1 2/3 cups buttermilk

1 tablespoon vanilla

3 cups flour

2 teaspoons baking powder

½ teaspoon salt

¾ cup cocoa powder

Cream butter and sugar together.  Add eggs, one at a time, mixing well after each addition.  Add the cocoa powder and mix well.  Combine vanilla and buttermilk.  Sift together flour, baking powder and salt.  Add alternating amounts of flour and milk mixtures to the batter, mixing well.  Pour into a greased and floured tube pan (or 2 loaf pans).  Bake at 350° for 1 hour to 1 hour and 15 minutes.