Preheat oven to 350°F
Drain 2 cans of green beans
Mix green beans, 1 can cream of mushroom soup, and 1/2 cup milk in a baking dish
Add salt and pepper to taste
Stir in 1 cup crispy fried onions
Bake for 25 minutes
Stir the casserole
Top with more crispy fried onions
Bake for 5 more minutes
Serve hot