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.

In a large skillet, saute onions in butter until tender. In a large bowl, whisk eggs and milk; pour over onions. Cook over medium heat; as the eggs set, lift edges, letting uncooked portion flow underneath., When the eggs are nearly set, sprinkle with the corned beef, cheese and pepper. Remove from the heat; cover and let stand for 1-2 minutes or until the cheese is melted. Cut into wedges.
green onions, butter, eggs, milk, beef, cheddar cheese, pepper