Baked Mac 'N Cheese

2 2/3 c. uncooked elbow macaroni
¾ c. onion, finely chopped
¾ c. butter, divided
6 Tbsp. flour
4 ½ c. milk
4 c. (16 oz) shredded sharp cheddar cheese
1 tsp. ground mustard
1 ½ tsp. salt
¼ tsp. pepper
¾ c. dry bread crumbs

1. Heat oven to 350°.
2. Cook the macaroni according to the package directions. Meanwhile, in a saucepan, sauté the onion in ½ c. butter. Add flour; whisk until blended. Gradually add the milk. Bring to a boil; cook and stir for 2 minutes or until thickened. Stir in the cheddar cheese, mustard, salt and pepper until smooth.
3. Drain macaroni and add to sauce; stir until coated. Transfer to a greased 13X9 inch baking dish. Melt the remaining butter; toss with bread crumbs. Sprinkle over macaroni mixture. Bake, uncovered, for 30-35 minutes or until heated through.

Yield: 6-8 servings