MACARONI AND CHEESE

(This makes a big pan of macaroni and cheese. You can cut the recipe in half for a smaller batch or freeze the leftovers in individual serving size containers)
8 ounces macaroni (3/4 box)
4 TB butter
1 cup finely chopped onion
1 TB flour
½ TB dry mustard
1 tsp salt
½ tsp pepper
1 ½ cups milk
2 cups shredded cheddar
Bread crumbs mixed with 1 TB butter
Optional add in: Chopped ham 

Preheat oven to 350°.
Grease 9x13 baking pan
Cook macaroni until done, drain, put in greased baking pan. Add chopped ham if using. 
Melt butter in saucepan, add onion, cook on low five minutes.
Add flour, dry mustard, salt and pepper. Whisk until blended.
Whisk in milk, whisk until blended. Remove from heat, stir in cheese.
Pour cheese sauce over macaroni. Blend. 
Mix bread crumbs and butter. 
Sprinkle macaroni and cheese with bread crumbs. 
Bake 20 minutes, then let stand 15 minutes before serving.