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Thanksgiving green bean casserole without the mandatory cream of mushroom soup.
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5 from 13 votes

Grown-up Green Bean Casserole

Are you tired of the mandatory cream of mushroom soup Green Bean Casserole? If so, you should try this Grown-up Green Bean Casserole. It’s easy to make and absolutely delicious! What’s even better is that this Grown-up Green Bean Casserole is a cinch to make, can be made ahead of time, and reheats beautifully.
Prep Time10 mins
Cook Time35 mins
Total Time45 mins
Course: Side Dish
Cuisine: American
Servings: 6 servings
Calories: 412kcal
Author: Chula King


  • 4 cups (16 to 20 ounces) fresh green beans
  • 1/2 cup onions chopped
  • 3 Tablespoons unsalted butter divided
  • 1 Tablespoon all purpose flour
  • 1/2 teaspoon salt
  • 1/8 teaspoon freshly ground black pepper
  • 1 teaspoon sugar
  • 3/4 cup sour cream
  • 1/2 cup milk
  • 2 cups shredded Cheddar cheese divided
  • 1/4 cup Ritz Cracker crumbs
  • 1 cup French's crispy onions


  • Preheat oven to 350° F.
  • Steam green beans for 12 minutes, or until crisp tender. Do not overcook.
  • Melt 2 tablespoons butter in a large saucepan over medium heat. Add onions. sauté until tender, about 10 minutes, stirring often to prevent browning. Add flour; stir until well combined. Cook for one minute.
  • Stir in the sour cream. 1 cup of shredded cheese, milk, salt, pepper, and sugar. Cook until cheese is melted, about 5 minutes.
  • Add green beans, and stir to coat.
  • Transfer the mixture to a 2 1/2 quart casserole dish. Spread shredded cheese over the top. Sprinkle on Ritz cracker crumbs. Dot with remaining tablespoon of butter.
  • Bake for 25 minutes in preheated oven, or until the top is golden and cheese is bubbly. Remove from oven; sprinkle on French's crispy onions. Return to oven for 5 more minutes.
  • Yield: 6 servings.


Calories: 412kcal | Carbohydrates: 20g | Protein: 13g | Fat: 31g | Saturated Fat: 17g | Cholesterol: 71mg | Sodium: 629mg | Potassium: 290mg | Fiber: 2g | Sugar: 6g | Vitamin A: 1270IU | Vitamin C: 10.2mg | Calcium: 373mg | Iron: 1.6mg