Cheesy Green Bean Casserole
Servings: 10 Servings
Ingredients
- 4 tablespoon unsalted butter divided
- 1 medium onion finely diced
- 4 ounces mushrooms sliced
- 2 garlic cloves minced
- ¼ cup all-purpose flour
- 1 cup whole milk
- ½ cup heavy cream
- ½ teaspoon dried thyme
- 2 tablespoons sour cream
- Salt and pepper to taste
- 1 pound fresh green beans ends trimmed and cut in half
- 1 cup Gruyere cheese shredded off the block
- 6 ounces French fried onions
Instructions
- Preheat the oven to 350°F, and lightly grease a 9x13-inch baking dish.
- Heat a medium skillet over low-medium heat. Melt 1 tablespoon of butter then add the onions and mushrooms.1 medium onion, 4 ounces mushrooms
- Cook for 5 to 7 minutes until the onions and mushrooms are tender. Add the garlic and cook for an additional 30 seconds. Remove the vegetables to a waiting bowl and set aside.2 garlic cloves
- Melt the remaining 3 tablespoons of butter in the pan. Then sprinkle in the flour. Whisk to combine and cook for 2 to 3 minutes.¼ cup all-purpose flour
- Slowly pour in the milk, heavy cream, and thyme. Whisk until a creamy sauce forms then add the sour cream, salt and pepper. Remove from heat.1 cup whole milk, ½ cup heavy cream, ½ teaspoon dried thyme, 2 tablespoons sour cream, Salt and pepper
- Bring a large pot of salted water to boil, and cook the green beans for 4 to 5 minutes. They should be tender but still have a crispy bite. Drain the green beans and immediately place them in a bowl of ice water to stop them from cooking.1 pound fresh green beans
- In a large bowl, combine the green beans, onions, mushrooms, and sauce. Transfer the mixture to the prepared baking dish.
- Bake uncovered for 20 minutes. Remove from the oven and top with shredded cheese and French fried onions and bake for an additional 10 minutes.1 cup Gruyere cheese, 6 ounces French fried onions
- Serve warm! See post for tips and storage options.
Notes
*The calories listed are an approximation based on the ingredients in the recipe card and a serving size of 1 cup of casserole. Actual calories will vary.
*For more information, tips, and answers to frequently asked questions, please refer to the post.
Nutrition Facts
Cheesy Green Bean Casserole
Serving Size
1 cup
Amount per Serving
Calories
294
% Daily Value*
Fat
23
g
35
%
Saturated Fat
12
g
75
%
Trans Fat
0.2
g
Polyunsaturated Fat
1
g
Monounsaturated Fat
4
g
Cholesterol
44
mg
15
%
Sodium
254
mg
11
%
Potassium
217
mg
6
%
Carbohydrates
16
g
5
%
Fiber
2
g
8
%
Sugar
4
g
4
%
Protein
7
g
14
%
Vitamin A
810
IU
16
%
Vitamin C
7
mg
8
%
Calcium
197
mg
20
%
Iron
1
mg
6
%
* Percent Daily Values are based on a 2000 calorie diet.
