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Slow Cooker Green Bean Casserole

Slow Cooker Green Bean Casserole

Jennie Duncan
This Slow Cooker Green Bean Casserole is so simple to make. With just three simple ingredients plus your seasonings, it's a recipe that is quick to make and easy on a budget. 
5 from 1 vote
Prep Time 5 mins
Cook Time 6 hrs
Total Time 6 hrs 5 mins
Course Side, Side Dish
Cuisine American
Servings 6 servings
Calories 294 kcal


  • 4 cans French style green beans (14.5 oz per can / drained)
  • 2 cans cream of mushroom soup (10.5 oz per can)
  • ¼ teaspoon onion powder
  • ¼ teaspoon garlic powder
  • salt and pepper (to taste)
  • 6 oz French fried onions


  • Mix green beans and cream of mushroom soup together. Add seasoning and mix again. Add this your slow cooker. Cook on low for 5-6 hours. 
  • About 30 minutes before finished add in your French fried onions. 


Cooking Tip: Make sure your green beans are well-drained. This will help your casserole from being too soupy when it's ready.
Holiday Cooking Tips and FAQs:
  1. I am using my slow cooker for other recipes this holiday, can I make this in the oven? Yes, you definitely can! Here is this recipe but in the over, Green Bean Casserole. Just 25 minutes at 350 degrees!
  2. I have a large family, I need more casserole! Good thing is, you can double this recipe if you have a big enough crockpot!
  3. We are traveling for the holidays, can I make this in advance? You can make this recipe up in advance. Mix everything together except the French Fried Onions and place everything into a food storage container. You can make this up to 3-4 days in advance before cooking!


Serving: 1cupCalories: 294kcalCarbohydrates: 29gProtein: 7gFat: 16gSaturated Fat: 7gCholesterol: 5mgSodium: 967mgPotassium: 496mgFiber: 4gSugar: 5gVitamin A: 1205IUVitamin C: 21.3mgCalcium: 69mgIron: 2.5mg
Keyword Slow Cooker Green Bean Casserole
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