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 cup sour cream, 1 (10.75 ounce) can condensed cream of celery soup, 4 1/2 cups peeled and shredded potatoes, 2 cups shredded Cheddar cheese, 1/2 cup chopped green onions, 1 cup cornflakes cereal, 1/2 cup unsalted butter, melted, 1 tablespoon chopped fresh parsley (optional)
sour cream, condensed cream, potatoes, Cheddar cheese, green onions, cornflakes cereal, unsalted butter, parsley