What ingredients are in green bean casserole?

The classic version uses green beans, cream of mushroom soup and French fried onions on top. Many recipes also stir in milk and black pepper, and some add Worcestershire or soy sauce. From there you can add cheese, bacon or chicken.

Can you make a 3 ingredient green bean casserole?

Yes. Unsophisticook's version uses just canned green beans, cream of mushroom soup and French fried onions. Mix the drained beans and soup with most of the onions, bake at 350°F for about 45 minutes, then top with the rest of the onions and bake about 5 more minutes.