This easy green bean casserole is the retro recipe you likely remember from childhood. Classic green bean casserole features a creamy mushroom sauce, tender green beans and crispy fried onions on top.
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Instructions
Preheat the oven to 375°F. Spray a 3-quart casserole dish with nonstick spray, and set aside.
In a large bowl, mix together the cream of mushroom soup, milk, and pepper. Then stir in the drained green beans and ½ cup of the crispy fried onions.
Pour the mixture into the prepared casserole dish, and spread it out to an even layer. Top the casserole with the remaining fried onions.
Bake the casserole for 20 minutes, or until bubbly and the onions are a dark golden color.
Let casserole rest for 5 minutes before serving.
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Notes
Storage: Store cooled leftovers in an airtight container, or in the casserole dish wrapped tightly, for up to 4 days.Reheat: Place the desired portion in a microwave-safe bowl and lightly cover with a paper towel. Reheat until it’s hot all the way through, stirring occasionally. You can also reheat in the oven, at 350°F, until heated through.Prep Ahead: Make and refrigerate up to 3 days in advance without the fried onions on top. To prepare, leave on the counter for about 45 minutes, top with fried onions and then bake as directed.Soup Substitutions: If you aren’t a fan of mushrooms, you can use another condensed cream soup such as cream of celery or cream of onion.Onion Topping: I like to mix some of the crispy fried onions into the casserole to help add flavor. This is optional, but definitely recommended. If you aren’t a fan of crispy fried onions, you can use lightly crushed ritz crackers instead.Fresh Green Beans: You can use fresh, cooked green beans if you prefer. You will need about 5 heaping cups.Add Cheese: Like a cheesy casserole? Add 1 to 2 cups shredded cheddar cheese to the green bean mixture, or layer it on top of the green beans before you add the fried onions.Oven Temp: This classic recipe is flexible, and can also be baked at 350°F for a slightly longer time. When the sauce is thick and bubbly around the edges, the casserole is done.