In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.
Q: Cook elbows and drain., Place in buttered casserole., Melt butter in double boiler., Add flour, salt and pepper and blend. Add milk slowly until sauce thickens., Cut cheese into cubes; add to sauce., Stir constantly until cheese has melted., Pour cheese sauce over elbows and top with bread crumbs., Bake at 350° for 30 minutes.
A: 
elbows, flour, salt, Cheddar cheese, butter, milk, pepper, buttered crumbs