Green bean casserole is a classic dish that is perfect for holidays or special occasions. To make this casserole, you will need fresh green beans, cream of mushroom soup, milk, French fried onions, and seasonings. Start by blanching the green beans in boiling water for a few minutes, then shock them in ice water to stop the cooking process. Mix the cream of mushroom soup with milk and seasonings, then add the green beans and half of the French fried onions. Pour the mixture into a casserole dish, then top with the remaining French fried onions. Bake in the oven until the casserole is hot and bubbly. This dish is a crowd-pleaser and is sure to be a hit at any gathering.