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slow cooker green bean casserole served in a white bowl with a crockpot in the background
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Slow Cooker Green Bean Casserole

Slow cooker green bean casserole saves precious oven space this holiday season and delivers the taste of the classic holiday side dish that you know and love. This recipe will be a hit at every gathering!
Prep Time5 mins
Cook Time4 hrs
Total Time4 hrs 5 mins
Course: Side Dish
Cuisine: American
Servings: 16
Calories: 306kcal


  • 1 6 lb can green beans drained
  • 1 26 oz can cream of mushroom soup + 1 10.5 oz cream of mushroom soup
  • 2 6 oz cans crispy fried onions divided
  • 1/2 cup half & half
  • freshly ground black pepper
  • 1/4 tsp onion powder
  • 2 tsp soy sauce
  • dash Worcestershire sauce


  • Add the drained green beans to the bowl of your slow cooker.
  • In a small mixing bowl, whisk together the remaining ingredients (except the fried onions) until smooth. Pour those over the green beans.
  • Add half of the fried onions to the crockpot and stir everything together until just combined.
  • Cover and cook on low for 4-5 hours, or 3-4 hours on high or until heated through.
  • Sprinkle the remaining crispy onions evenly out over top of the casserole before serving.


Calories: 306kcal | Carbohydrates: 37g | Protein: 11g | Fat: 13g | Saturated Fat: 6g | Cholesterol: 5mg | Sodium: 1120mg | Potassium: 442mg | Fiber: 8g | Sugar: 1g | Vitamin A: 27IU | Vitamin C: 1mg | Calcium: 46mg | Iron: 3mg