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Slow Cooker Green Bean Casserole

Slow Cooker Green Bean Casserole

Slow Cooker Green Bean Casserole uses premium frozen green beans and a homemade sauce for a healthier and even more delicious holiday side dish!
Course Side Dish
Cuisine American
Prep Time 25 minutes
Cook Time 3 hours
Total Time 3 hours 25 minutes
Servings 12
Calories 246kcal


  • 24 oz frozen extra fine green beans
  • 2 slices thick cut bacon chopped finely
  • 1 medium shallot minced (about 1/4 cup)
  • 2 cloves minced garlic I used jarred
  • 1/4 cup flour
  • 2 1/2 cups chicken broth
  • 1 cup heavy cream
  • 1/2 teaspoon salt
  • 1/4 teaspoon herb and garlic seasoning
  • 1 cup Parmesan cheese
  • 6 oz french fried onions


  • Spray slow cooker with nonstick spray
  • Add frozen green beans
  • In skillet over medium high heat saute bacon until lightly browned, around 3-5 minutes
  • Add shallots and saute for another 1-2 minutes until they just start to brown
  • Add garlic and cook for 1 more minute
  • Add flour evenly to pan and stir to coat bacon, shallots and garlic
  • Slowly add chicken broth while stirring until smooth
  • Let simmer for about 4-6 minutes until sauce thickens enough to stick to spoon
  • Add cream and seasonings and let continue to simmer for another 3-4 minutes until thick and heated through
  • Pour sauce over green beans in crock and toss lightly to evenly coat
  • Sprinkle with cheese and cover and cook on high for 2.5 to 3 hours or low for 5-6
  • About 15 minutes before serving sprinkle with onions and let heat on high until lightly crispy


  • sauce should be thick enough to coat spoon. If to thin, simply whisk and additional 1-2 tablespoons flour with water and stir into sauce and let simmer
  • omit bacon and use veggie broth to make this vegetarian
  • if using a regular slow cooker use a 6 quart or larger oval (the more surface space the better this will cook
  • cheese can be omitted if desired
  • turn off slow cooker and let set for about 15 minutes before serving if you'd like the sauce to thicken a bit more


Calories: 246kcal | Carbohydrates: 13g | Protein: 5g | Fat: 19g | Saturated Fat: 9g | Cholesterol: 36mg | Sodium: 578mg | Potassium: 200mg | Fiber: 1g | Sugar: 2g | Vitamin A: 750IU | Vitamin C: 10.8mg | Calcium: 138mg | Iron: 1mg