Hot Dogs and Macaroni Casserole

1 lb. wieners or ham
1 c. diced celery
1/4 c. butter
2 1/2 c. milk
1/2 lb. (2 c.) grated cheese
2 tbsp. flour
1 1/2 tsp. salt
1 c. chopped onion
1/2 tsp. pepper
1 tbsp. prepared mustard
1 pkg. elbow macaroni, cooked

Cut wieners diagonally into 1 inch pieces. Saute celery and onions in butter. Stir in flour, salt and pepper. Add milk all at once. Stir constantly until thick. Remove from heat and add mustard and 1 1/3 cups cheese.

Combine sauce, cooked macaroni and all but 1 cup wieners. Put in 2 quart casserole dish. Garnish top with wiener slices and sprinkle cheese on top. Heat in 350 degree oven until bubbly.