Yield: 6 servings
Cook macaroni according to package directions; drain. Place in a greased 2-qt. baking dish set aside.
In a saucepan, melt butter over medium heat. Stir in flour until well blended. Gradually add milk; bring to a boil. Cook and stir for 2 minutes; reduce heat.
Add cheese, onion, Worcestershire sauce, salt, pepper and mustard; stir until cheese melts. Pour over macaroni and mix well. Sprinkle with bread crumbs.
Bake, uncovered, at 375 degrees for 30 minutes.
Please note that some ingredients and brands may not be available in every store.