Mayonnaise Biscuits

Ingredients:
- 1 1/4 c. self-rising flour
- 1/4 tsp. soda
- 1 1/4 tsp. baking powder
- 2 Tbsp. mayonnaise
- buttermilk (to mix, stiff enough to drop from spoon)

Directions:
- Drop on a greased pan.
- Cook at 450°.