1 tbsp. butter
1 1/2 lb. boneless sirloin steak, 1 inch thick
Mushroom-onion sauce, onion-butter sauce or sour cream sauce

Preheat Sizzlin' skillet in microwave oven at high for 6 1/2 minutes. Place butter on preheated skillet to melt. Spread evenly across surface. Place steak on skillet. Microwave at high 4 minutes, turn steak over. Microwave until medium-rare doneness, 3 to 4 minutes longer. Serve with 1 of the sauces.

ONION-BUTTER SAUCE:

1/2 c. firm butter
Pepper
1 tsp. Dijon mustard
1 green onion, chopped

Microwave butter in bowl at high until softened, 15 to 20 seconds. Stir in other ingredients. Can add mushrooms.

SOUR CREAM SAUCE:

1 tsp. cornstarch
2 tbsp. cold water
1/2 c. sour cream
1/4 tsp. salt
1/2 tsp. dill weed

Mix cornstarch and water in a bowl, stir in remaining ingredients. Microwave uncovered at 70% (medium-high) for 1 to 2 minutes until warm and thickened, stirring every 30 seconds.