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Cheesy Green Bean Casserole

How to Make the Best Cheesy Green Bean Casserole

Cheesy Green Bean Casserole takes the traditional green bean casserole to the next level by adding a creamy, cheesy sauce to the mix. Topped with crispy fried onions and a gooey layer of cheese, this casserole is perfect for holiday meals or as a comforting side dish to any dinner.
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Side Dish
Cuisine American
Servings 7
Calories 230 kcal

Ingredients
  

  • 4 cups fresh or frozen green beans blanched if fresh
  • 2 tablespoons unsalted butter
  • 1 small onion finely chopped
  • 2 cloves garlic minced
  • 1 cup heavy cream
  • 1/2 cup chicken or vegetable broth
  • 1 1/2 cups shredded cheddar cheese
  • 1/2 cup grated Parmesan cheese
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon onion powder
  • Salt and pepper to taste
  • 1 cup French fried onions for topping
  • 1/2 cup shredded mozzarella cheese for topping, optional
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Instructions
 

  • Preheat the Oven:
  • Preheat your oven to 375°F (190°C) and grease a 9x13-inch baking dish.
  • Prepare the Green Beans:
  • If using fresh green beans, blanch them in boiling water for 3-4 minutes, then drain and set aside. If using frozen, cook according to package instructions and drain.
  • Make the Cheesy Sauce:
  • In a large skillet, melt butter over medium heat. Add the chopped onion and cook for 3-4 minutes, until softened.
  • Add the minced garlic and cook for another minute, until fragrant.
  • Stir in the heavy cream and chicken broth, bringing the mixture to a simmer. Allow it to cook for 3-5 minutes, thickening slightly.
  • Stir in the shredded cheddar and Parmesan cheeses, garlic powder, and onion powder. Season with salt and pepper to taste. Continue stirring until the cheese has melted and the sauce is smooth.
  • Combine Green Beans and Cheese Sauce:
  • Add the blanched green beans to the skillet with the cheese sauce, stirring gently to coat the beans evenly in the sauce.
  • Assemble the Casserole:
  • Pour the green bean and cheese mixture into the prepared baking dish. Smooth the top with a spatula.
  • Sprinkle the French fried onions over the top of the casserole. If desired, also add a little shredded mozzarella for extra cheesiness.
  • Bake:
  • Bake the casserole in the preheated oven for 20-25 minutes, until bubbly and golden on top.
  • Serve:
  • Let the casserole cool for 5 minutes before serving. It's perfect as a side dish for holiday dinners, potlucks, or a cozy family meal.

Notes

  • For a lighter version, you can use reduced-fat cheese or swap out the heavy cream for a lighter cream or milk.
  • If you want extra crunch, you can mix some of the French fried onions into the casserole before baking.
  • This casserole can be made ahead of time and stored in the fridge for 2-3 days. Just reheat in the oven at 350°F (175°C) for about 15 minutes, adding extra fried onions on top if desired.

Nutrition

Calories: 230kcalCarbohydrates: 15gProtein: 7gFat: 16gSodium: 600mgFiber: 3gSugar: 4g