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Thanksgiving doesn’t have to mean a long grocery list or an expensive meal. This 5-ingredient green bean casserole is simple, affordable, and full of classic flavor. It proves that comfort food can be easy and still taste amazing.

Overhead shot of baked 5 ingredient green bean casserole in the baking dish.

Old School Comfort Made Even Easier

  • Quick and Easy: Ready in minutes and perfect for busy holiday cooking.
  • 5 Simple Ingredients: Nothing fancy, just a few pantry staples that taste great together.
  • Throwback Recipe: A cozy classic that tastes just like Grandma used to make.

Green Bean Casserole Ingredients

Overhead shot of labeled 5 ingredients green bean casserole ingredients.
  • Canned Green Beans: Drain them well!
  • Salt and Pepper: Season to taste or use seasoned salt if you prefer.
  • Crispy Fried Onions: You can find these at any grocery store, but if you can’t find them, make my homemade Crispy Onion Strings.
  • Make it Cheesy: Add a handful of shredded cheddar cheese before baking.
  • Add Mushrooms: Add mushrooms for added flavor & texture.
  • Topping Variations: You could use breadcrumbs or panko breadcrumbs instead of crispy onions.

5 Ingredient Green Bean Casserole Recipe

Getting ready for Thanksgiving dinner can feel stressful, especially when food prices are high. This recipe keeps it simple with just a few ingredients and the same cozy taste you love.

  1. Combine: Preheat the oven to 350°F, then spray a 2-quart baking dish with nonstick cooking spray. Add green beans, cream of mushroom soup, milk, salt, and ground black pepper to a mixing bowl.
  2. Stir: Stir to combine.
  3. Add to Casserole Dish: Pour the mixture into the prepared casserole dish.
  4. Bake: Top with French fried onions and bake for about 25 minutes, until bubbly and golden brown.

Alyssa’s Pro Tip

Feeding a bigger crowd? Double the recipe and bake it in a 9×13 inch dish.

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Easy Green Bean Casserole

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Creamy and comforting with just five ingredients this easy green bean casserole delivers classic flavor everyone loves.
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 6 servings

Ingredients 

  • 2 (15-ounce) cans cut green beans drained
  • 1 (10.5-ounce) can condensed cream of mushroom soup
  • ½ cup milk
  • 1 (2.8-ounce) can French-fried onions
  • salt and ground black pepper to taste

Instructions 

  • Preheat the oven to 350 degrees Fahrenhei and spray a 2-quart baking dish with nonstick cooking spray.
  • In a large bowl, add 2 (15-ounce) cans cut green beans, 1 (10.5-ounce) can condensed cream of mushroom soup, ½ cup milk, and salt and ground black pepper to taste.
  • Stir to combine, then pour the mixture into the prepared casserole dish.
  • Sprinkle the top of the casserole with 1 (2.8-ounce) can French-fried onions and bake until bubbly, about 25 minutes.

Notes

Storage, Reheating & Make Ahead Instructions
  • Storage: Store cooled leftovers in an airtight container in the refrigerator for 3–5 days.
  • Reheating: Warm leftovers in the microwave until heated through.
  • Make Ahead: Assemble the casserole without the crispy fried onions. Cover tightly with plastic wrap and refrigerate for up to 2 days. When ready to bake, remove the plastic wrap, add the onions, and bake as directed.

Nutrition

Calories: 13kcalCarbohydrates: 1gProtein: 1gFat: 1gSaturated Fat: 0.4gPolyunsaturated Fat: 0.02gMonounsaturated Fat: 0.1gCholesterol: 2mgSodium: 11mgPotassium: 31mgFiber: 0.01gSugar: 1gVitamin A: 33IUVitamin C: 0.1mgCalcium: 25mgIron: 0.02mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Side Dish
Cuisine: American
Tried this recipe?Mention @alyssa_therecipecritic or tag #therecipecritic!
Close up of a scoop of 5 ingredient green bean casserole.

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About Alyssa Rivers

Alyssa Rivers is the author of 'The Tried and True Cookbook', a professional food photographer and experienced recipe-developer. Having a passion for cooking, her tried and true recipes have been featured on Good Morning America, Today Food, Buzzfeed and more.

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