Carrot Casserole - cooking recipe

Ingredients

1/2 c. melted butter
1/4 c. plain flour
1/2 tsp. celery salt
1 small onion, chopped fine
2 c. milk
12 carrots
2 lb. Velveeta cheese
3 slices bread
1 bun
1 stick melted butter

Preparation

Cook onion in butter, then add flour. Mix until paste, then add 2 cups milk and cook until thick.
Have 12 carrots, sliced longways, already cooked in salted water until tender.
Butter a casserole dish.