2 tbsp. butter
2 tbsp. flour
1/2 tsp. salt
1/4 tsp. pepper
1 c. milk
Grated cheese
1/2 tsp. Worcestershire sauce

In microwave proof bowl or 1 quart measure pitcher melt the butter. Stir in flour. Add salt and pepper. Stir in milk. Microwave on high until mixture comes to a boil and thickens, stir every minute. Takes about 4 to 5 minutes. Add grated cheese and Worcestershire sauce.