Given the task definition and input, reply with output. In this task, you have to generate the named entities (NER) given its ingredients of the recipe. Named entities are the names of the items without their quantity.

1 (20 oz.) bag frozen broccoli, 1/2 c. chopped onion, 1 Tbsp. butter, cream of mushroom soup, cream of celery soup, 1 soup can milk, 1 c. shredded American cheese, 3 c. cubed ham, 2 c. instant cooking rice, 1/2 Tbsp. Worcestershire sauce

frozen broccoli, onion, butter, cream of mushroom soup, cream of celery soup, milk, American cheese, ham, instant cooking rice, Worcestershire sauce