"Stouffer's" Mac and Cheese

2 cups uncooked elbow macaroni
1/4 cup butter
1/4 cup flour
1/2 tsp. salt
1/2 tsp. pepper
1/4 tsp. ground mustard
1/4 tsp. Worcestershire
2 cups milk
2 cups shredded cheese

Cook macaroni. While it's cooking, melt butter in saucepot over low heat. Stir in flour, salt, pepper, mustard, and Worcestershire. Cook over medium heat until smooth and bubbly. Remove from heat. Stir in milk. Heat to boiling, stirring constantly. Boil and stire 1 minute. Stir in cheese, stirring occasionally, until cheese is melted. Drain macaroni. Gently stir macaroni into cheese sauce. Pour into greased dish. Bake @ 350 degrees for 20-25 minutes.

Easily doubles.
Freezes easily.