Green bean casserole is a classic American dish often served during holiday meals or family gatherings. Here's a simple recipe for a traditional green bean casserole:

Ingredients:

1 can (10.5 oz) condensed cream of mushroom soup
3/4 cup milk
1/8 teaspoon black pepper
2 cans (14 oz each) green beans, drained (you can also use fresh or frozen green beans)
1 1/3 cups crispy fried onions (French's Fried Onions work well