1/2 cup chopped onions
3/4 cup chopped celery
1 pound frankfurters — sliced diagonally
4 tablespoons butter
3 cups cooked shell or elbow macaroni
1 1/4 cups water
3/4 cup catsup
1/4 cup grated parmesan cheese
2 tablespoons vinegar
2 teaspoons dry mustard
2 teaspoons Worcestershire sauce
1/2 teaspoon salt
1/4 teaspoon pepper
Saute onions, celery, and frankfurter slices in butter until browned. Add remaining ingredients. Turn into a 2 quart casserole. top with buttered bread crumbs and bake in a hot oven 375 degrees 20-25 minutes.