Drop Doughnuts

Yield:	36 Servings
Categories:	Snacks

1/2	c	Mashed potatoes (mashed with milk and butter)
1/4	c	Sugar
1		Egg; beaten
1/2	c	Sour cream
1/2	ts	Vanilla extract
1 1/2	c	All-purpose flour
1/2	ts	Baking soda
1/4	ts	Baking powder
		Cooking oil for deep-fat frying
		Additional sugar OR confectioners' sugar, optional