Instant Pot Green Bean Casserole

Instant Pot Green Bean Casserole

Do you love green bean casserole? Want to make the best green bean casserole you'll ever have? Make Instant Green Bean Casserole again and again.
Course Side Dish
Cuisine American
Keyword casserole, green bean, instant pot
Prep Time 7 minutes
Cook Time 1 minute
Total Time 8 minutes
Servings 8
Calories 265kcal


  • 2 tablespoons unsalted butter
  • ¾ cup white onion chopped
  • 2-3 garlic cloves minced
  • 8 ounces mushrooms coarsely chopped
  • 8 cups green beans cut in 1 inch pieces
  • 1 cup broth vegetable or chicken
  • ½ teaspoon salt
  • ¼ teaspoon pepper
  • 1 tablespoon corn starch
  • 3/4 cup sour cream
  • 1 cup cheddar cheese shredded
  • 4 ounces French fried onions


  • Turn Instant Pot on to saute mode and saute the onions and garlic together with butter for 1-2 minutes while stirring.
  • Add in the mushrooms and saute for an additional 2-3 minutes.
  • Add seasonings, stock, and green beans.
  • Close the instant pot lid and turn pressure valve to seal. Cook on manual high pressure for 1 minute.
  • Allow for a quick pressure release and then add in the cornstarch, sour cream and cheese. Stir it all together.
  • Transfer to a small baking dish (8 inch square or similar) and top with additional French fried onions and cheese to garnish.


8 SmartPoints per serving on WW FreeStyle Plan
Can be reduced to as low as 3 SmartPoints per serving if reduced-fat or fat-free sour cream and cheese


Calories: 265kcal | Carbohydrates: 18g | Protein: 7g | Fat: 19g | Saturated Fat: 10g | Cholesterol: 33mg | Sodium: 495mg | Potassium: 388mg | Fiber: 3g | Sugar: 5g | Vitamin A: 1185IU | Vitamin C: 15.6mg | Calcium: 171mg | Iron: 1.4mg