Combine flour, baking powder, salt, and soda. Add butter and buttermilk and stir to form a sticky dough. Knead a few times on a lfoured board to make a smooth ball. Roll out to 1/2 inch thickness. Cut into 2 inch rounds. Place biscuits on greased cookie sheets. Bake at 450 degrees for 10 to 12 minutes. SOURCE: Southern Living Magazine, sometime in the 1970's. Typed for you by Nancy Coleman.