2 cups Bisquick
1/2 cup sour cream
1/2 cup 7-up
1/4 cup melted butter
Cut sour cream into biscuit mix, add 7-Up. Makes a very soft dough.
Sprinkle additional biscuit mix on board or table and pat dough out. Melt 1/4
cup butter in a 9 inch square pan. Place cut biscuits in pan and bake at 450
degrees until golden brown.

Source: The Birmingham News, July 06, 2010.