2 1/2 cups of sugar
1 cup butter
3 egg yolks
6 1/2 cups flour (pillsbury)
l cup sour cream
1 cup buttermilk
2 teaspoons soda
2 teaspoons baking powder
1 teaspoon salt
1 teaspoon vanilla
Cream sugar and butter. Add egg yolks. Alternate buttermilk & sour cream. Add
flour, baking powder, soda, salt.  Beat until well blended.  Chill overnight.  Bake 460 degrees app. for 7 minutes app.  brown on bottom.  Each oven is different.