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: Saut vegetables in butter until tender. Add flour, milk, egg yolks, pepper, crabmeat and half of the cheese. Pour into greased baking dish. Sprinkle with remaining cheese. Bake at 375° about 15 minutes or until hot and bubbling.
A: 
onion, stalk celery, egg yolks, salt, Cheddar cheese, crabmeat, butter, flour, milk, red pepper, black pepper