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Green Bean Casserole

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  • Prep 5 min
  • Total 30 min
  • Servings 8
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Want to make Green Bean Casserole from scratch without any fuss? This is the deliciously easy Green Bean Casserole recipe you've been searching for. Assemble your Green Bean Casserole ahead of time or pull it together right before your big meal—either way, it's sure to please!
Updated Sep 29, 2023
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What is Green Bean Casserole?

Bubbling, steaming and ultra-pleasing—nothing says "comfort food" quite like a Green Bean Casserole! This classic side dish transforms any dinner into a memory-making meal for holiday gatherings and weeknight family dinners alike. Consisting of green beans, cream of mushroom soup, milk and crispy fried onions, our simple Green Bean Casserole recipe bakes up into a warm, creamy and ultra-satisfying dish that even the pickiest of eaters will enjoy. With just 4 simple ingredients and 5 minutes of prep time, this might just be the best Green Bean Casserole around!

We love a classic Green Bean Casserole, but there are plenty of ways to switch up this dish. Try serving a hearty Green Bean and Chicken Casserole, or whip up a Cheesy Green Bean Casserole for an easy, cheesy twist!

What can I substitute for French fried onions in Green Bean Casserole?

Don't have crispy fried onions on hand? Sprinkle some crumbled cooked bacon, toasted sliced almonds or sliced green onions over your Green Bean Casserole right before serving.


  • 2 cans (14.5 oz each) French-style green beans, drained
  • 1 can (10.5 oz) condensed cream of mushroom soup
  • 1/4 cup milk
  • 1 container (2.8 oz) crispy fried onions


  • 1
    Heat oven to 350°F. In 1 1/2-quart casserole or glass baking dish, mix green beans, soup and milk.
  • 2
    Bake 20 to 25 minutes, topping with onions during last 5 minutes of baking, until bubbly.
  • 3
    ALTERNATE METHOD: Heat oven to 325°F. In 1 1/2-quart casserole or glass baking dish, mix green beans, soup and milk. Bake 25 to 30 minutes, topping with onions during last 5 minutes of baking, until bubbly.

Tips from the Betty Crocker Kitchens

  • tip 1
    To make sure your baking dish holds 1.5 quarts (6 cups), use a liquid measuring cup to pour water into the dish until it's full. There should be enough room for the green beans to not completely fill the dish.
  • tip 2
    Frozen French-style green beans can be substituted for the canned beans. Give frozen beans a quick rinse under cool water in a colander and shake off excess water before mixing with the soup and milk. If prepping ahead of time, cover tightly and store overnight in refrigerator before baking.
  • tip 3
    Classic Green Bean Casseroles typically use canned or frozen green beans, resulting in a casserole with a tender and velvety texture. We do not recommend substituting raw green beans in this particular Green Bean Casserole recipe, as the resulting texture might not be desirable, and the given bake time and temperature have not been adjusted to account for this substitution.
  • tip 4
    If desired, substitute any cream-style condensed canned soup for the cream of mushroom soup, such as celery or cream of chicken. For additional flavor, add a dash of garlic or celery salt.

Frequently Asked Questions

Can I Make This Green Bean Casserole a Night Ahead?

Have an event or gathering coming up tomorrow? Your easy Green Bean Casserole can be assembled early to save time! Once you’ve assembled your Green Bean Casserole, cover and refrigerate it until you’re ready to bake it the next day. Make sure to add a few extra minutes of baking time to account for the coldness of the chilled casserole. Look forward to a crowd-pleasing string bean casserole without any of the fuss!


110 Calories, 7g Total Fat, 1g Protein, 10g Total Carbohydrate, 2g Sugars

Nutrition Facts

Serving Size: 1 Serving
Calories from Fat
Total Fat
Saturated Fat
2 1/2g
Trans Fat
Total Carbohydrate
Dietary Fiber
% Daily Value*:
Vitamin A
Vitamin C
0 Starch; 0 Fruit; 1/2 Other Carbohydrate; 0 Skim Milk; 0 Low-Fat Milk; 0 Milk; 1 Vegetable; 0 Very Lean Meat; 0 Lean Meat; 0 High-Fat Meat; 1 1/2 Fat;
Carbohydrate Choice
*Percent Daily Values are based on a 2,000 calorie diet.

More About This Recipe

  • Here’s how iconic classic green bean casserole is: the original recipe card is displayed in the National Inventors Hall of Fame in Akron, Ohio. It’s the side dish that transforms an everyday meal into a memory-making Thanksgiving dinner. Some estimates say that 40 percent of the Cream of Mushroom soup sold in the United States goes into making green bean casserole. The popularity of green bean casserole just keeps growing, as a new generation discovers how easy it is to make and how delicious it can be. If making our best green bean casserole recipe inspires you to try more warm, comforting recipes, try another from our collection of top casserole and pot pies. You’ll love how easy these dishes will be to pull together, and you're sure to appreciate the timing-saving, make-ahead options. Even better, casseroles are always a good choice when you’re serving a large crowd.
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