Go Back
+ servings
Slow Cooker Green Bean Casserole topped with french fried onions in a white serving bowl

Slow-Cooker Green Bean Casserole

Crockpot Green Bean Casserole loaded with mushrooms, cream sauce, and french fried onions is the ultimate Thanksgiving side dish that's sure to be a hit with the crowd. Easy to make in the slow cooker, it's perfect for the busy holidays.
Course Side Dish
Cuisine American
Keyword slow cooker green bean casserole
Prep Time 10 minutes
Cook Time 2 hours 15 minutes
Total Time 2 hours 25 minutes
Servings 6 Servings
Calories 266kcal
Author Lalaine


  • 2 pounds fresh green beans
  • 2 tablespoons butter
  • 8 ounces fresh button mushrooms, sliced thin
  • salt and pepper to taste
  • 1 small onion, peeled and chopped
  • 8 ounces cream cheese, softened
  • 1 cup chicken stock
  • 2 cups french-fried onions


  • Remove ends of green beans and pull off strings, Cut into halves or thirds depending on lengths. Wash under cool water, drain well, and place in the crockpot insert. 
  • In a skillet over medium heat, melt butter. 
  • Add onions and mushrooms and cook until softened.  Season with salt and pepper to taste.
  • Add cream cheese and chicken stock. Continue to cook, stirring occasionally, until cream cheese is melted.
  • Add mushroom sauce in the slow cooker over the green beans and gently stir to distribute. Cook on HIGH for 2 hours or on LOW for 5 hours. 
  • Transfer to serving platter and garnish with french-fried onions.


Serving: 220g | Calories: 266kcal | Carbohydrates: 25g | Protein: 11g | Fat: 14g | Saturated Fat: 6g | Cholesterol: 15mg | Sodium: 523mg | Potassium: 613mg | Fiber: 4g | Sugar: 9g | Vitamin A: 1180IU | Vitamin C: 20.6mg | Calcium: 193mg | Iron: 1.9mg