Tuna, macaroni, creamy soup, cheese and fried onions are all you need to make this super easy tuna casserole that I learned from my roommate. It's great as leftovers, too.
A quick layered casserole with tuna, cheese and egg noodles. Experiment with different cheeses and soups to develop your own family recipe! For variety, add chopped celery, peas and/or carrots.