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.

Place beef and frozen onions in 3 1/2 to 4 quart crock pot. Top with olives and pimentos. Pour marinara sauce over top., Cover and cook on low heat setting 8 to 10 hours or until beef is tender., Serve over pasta.
beef stew meat, onions, olives, pimientos, marinara sauce, hot cooked pasta