Best Green Bean Casserole

Best Green Bean Casserole

A green bean casserole makes the Thanksgiving holiday complete, and this version can be on the table in no time at all thanks to just four ingredients from your pantry or fridge: canned green beans, condensed mushroom soup, French-fried onions, and shredded Cheddar cheese.

Prep Time:
10 mins
Cook Time:
15 mins
Total Time:
25 mins

This green bean casserole is truly the best. Made with just four budget-friendly ingredients, you’ll come back to this green bean casserole recipe year after year.

Green Bean Casserole Ingredients

Believe it or not, you’ll need just four ingredients to make this classic green bean casserole:

  • Green beans: This easy green bean casserole starts with two drained cans of green beans.
  • Canned soup: A can of condensed cream of mushroom soup creates a creamy texture and adds savory flavor.
  • Cheese: This recipe calls for shredded Cheddar cheese. Use sharp, mild, or a blend of both.
  • French-fried onions: The green bean casserole gets its crunch from a French-fried onion topping.
  • Optional ingredients: Crumbled bacon, sautéed mushrooms or onions, garlic, Parmesan cheese, black pepper
a high angle view looking into a green casserole dish of green bean casserole with a scoop taken out.

How to Make Green Bean Casserole

You’ll find the full, step-by-step recipe below — but here’s a brief overview of what you can expect when you make this top-rated green bean casserole:

  1. Mix the beans and soup in a microwave-safe bowl and microwave until warm.
  2. Stir in half the cheese. Microwave until melted and well-blended.
  3. Transfer to a prepared baking dish. Top with fried onions and remaining cheese.
  4. Bake in the preheated oven until the cheese is melted and the onions are brown.

How Long to Cook Green Bean Casserole

In an oven preheated to 350 degrees F, this canned green bean casserole should be perfectly cooked in about 10 minutes. Of course, that doesn’t include the 5-8 minutes the ingredients spend in the microwave!

Can You Make Green Bean Casserole Ahead of Time?

Yes! You can bake this green bean casserole up to three days in advance. Cook it according to the recipe, but leave off the French-fried onions. Allow it cool, cover tightly with foil, and refrigerate until you’re ready to eat.

Recipe Tip

To reheat: Remove the casserole from the fridge and let it come to room temperature for about 30 minutes. Top with French-fried onions and reheat in an oven preheated to 350 degrees F until the onions are golden brown and the casserole is heated through.

How to Store Green Bean Casserole

Allow the casserole to cool to room temperature, then cover tightly with storage wrap or transfer to an airtight container. Store in the refrigerator for up to four days. Reheat in the oven or in the microwave.

Allrecipes Community Tips and Praise

“Made it for Thanksgiving today, used French-style beans, ’cause that’s how I remember it as a kid, and it was a perfect blast from the past,” according to BBQ Dad. “My 9 year old loved it so it will definitely get made again.”

“This recipe has that classic flavor you think of when you think of a green bean casserole, and the added cheese is a really nice touch,” raves Hiram Wigant.

“Super easy to make and was delicious,” says jdantana. “I ended up using frozen green beans that I thawed before making the casserole.”

Editorial contributions by Corey Williams


  • 2 (14.5 ounce) cans green beans, drained
  • 1 (10.5 ounce) can condensed cream of mushroom soup
  • 1 cup shredded Cheddar cheese, divided
  • 1 (6 ounce) can French-fried onions


  1. Preheat the oven to 350 degrees F (175 degrees C).

  2. Mix green beans and condensed soup together in a large microwave-safe bowl until well combined. Microwave on high until warm, 3 to 5 minutes.

  3. Stir 1/2 cup Cheddar cheese into the green bean mixture. Microwave on high for 2 to 3 minutes.

  4. Transfer mixture to a casserole dish and spread evenly over the bottom. Sprinkle French-fried onions over top, then sprinkle with remaining Cheddar.

  5. Bake in the preheated oven until cheese is melted and the onions are just turning brown, about 10 minutes.

    a cheese- and fried onion-topped casserole in a white ceramic baking dish, with a serving spoon lifting out a scoop

Nutrition Facts (per serving)

322 Calories
23g Fat
20g Carbs
7g Protein

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