Cooking Raw Peanuts-Microwave Oven Roasting

2 cups raw shelled peanuts

Place peanuts in a 10-by-6-inch glass or similar microwave container. Dot lightly with butter or vegan margarine. Microwave on high for 2 minutes. Stir peanuts. Microwave 2 minutes at a time followed by stirring until peanuts have been cooking 10 minutes for light roast or 12 minutes for medium roast. Remove from microwave.