Carrot Casserole - cooking recipe

Ingredients

1/2 c. butter or margarine
1 small minced onion
1/4 c. flour
1 tsp. salt
1/4 tsp. dry mustard
2 c. milk
1/2 tsp. pepper
1/4 tsp. celery salt
1/2 lb. Cheddar cheese
bread crumbs for the top

Preparation

Cook carrots and drain.
Cook onion in butter.
Stir other ingredients to make a medium white sauce.
Cook until smooth. Layer carrots and cheese.
Pour white sauce over the top. Sprinkle bread crumbs.
Dot with butter.
Bake at 350\u00b0 for 25 minutes.