Carrot Casserole

INGREDIENTS:
-12 or 14 large carrots sliced
-1 onion chopped Sauce
- 1/4 cup butter
- 1/4 cup flour
- 1 teaspoon salt
- 1/4 teaspoon dried mustard
- 2 cups milk
- 1/8 teaspoon pepper
- 1/4 teaspoon celery salt
-1/3 lb. cheddar cheese
- 3 cups buttered bread crumbs

 INSTRUCTIONS:
Cook carrots until tender, drain well. Sauté onions in butter and make white sauce. Arrange in layers of carrots, sauce, cheese and top with buttered bread crumbs. Bake 35 minutes at 325 degrees.