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slow cooker green bean casserole

Crockpot Green Bean Casserole

Crockpot Green Bean Casserole is seriously the EASIEST method to prepare this holiday classic! Tender vegetables are smothered in a rich sauce and loaded with crispy tangles of fried onions.
Course Side Dish
Cuisine American
Keyword Crockpot Green Bean Casserole
Prep Time 15 minutes
Cook Time 2 hours 30 minutes
Total Time 2 hours 45 minutes
Servings 8 servings
Calories 289kcal
Author Catalina Castravet


  • 4 cans green beans 14.5 ounces each - drained
  • 2 cans cream of mushroom soup 14.5 ounces each
  • 1/3 cup sour cream
  • 3/4 cup milk
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1/2 teaspoon garlic powder
  • 1/2 cup shredded cheddar cheese
  • 1/4 cup shredded parmesan cheese
  • 6 ounce can French fried onions


  • Combine the cream of mushroom soup, sour cream, milk, and seasonings, in the crockpot, stir to combine.
  • Stir in the green beans, cheddar cheese, parmesan, and half of the french fried onions.
  • Cover with the lid and cook on low for 2 hours.
  • Stir well and add the remaining french fried onions on top. Cook for another 30 minutes, up to one more hour.


To make your own French fried onions use this recipe: https://sweetandsavorymeals.com/green-bean-casserole-recipe/


Calories: 289kcal | Carbohydrates: 24g | Protein: 10g | Fat: 17g | Saturated Fat: 8g | Cholesterol: 19mg | Sodium: 982mg | Potassium: 430mg | Fiber: 4g | Sugar: 6g | Vitamin A: 1068IU | Vitamin C: 16mg | Calcium: 179mg | Iron: 2mg