Given the task definition and input, reply with output. 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.

Saute onions with butter and margarine., Put 1/2 into bottom of dish., Layer macaroni, cheese and potatoes (2 layers)., Top with rest of onion mix., Bake 45 minutes at 350.
elbow macaroni, American cheese, potatoes, margarine, butter, onions