- 1 (10 ounce) package frozen green beans
- 1/2 cup chopped onion
- 1/4 cup chopped celery
- 1/4 cup all-purpose flour
- 1/4 cup butter, divided
- 1 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup milk
- 1/2 cup sour cream
- 1/2 cup shredded cheese (cheddar, Parmesan, or a blend)
- 1/4 cup French's Fried Onions
Instructions:
1.) Preheat oven to 350°F (175°C).
2.) Spray a 9x13 inch baking dish with cooking spray.
3.) In a large skillet, heat 2 tablespoons of butter over medium heat.
4.) Add the onion and celery and cook until softened, about 5 minutes.
5.) Add the flour and stir to combine.
6.) Gradually whisk in the milk and cook until the sauce has thickened, about 2 minutes.
7.) Remove from heat and stir in the salt, pepper, sour cream, and 1/2 cup of the shredded cheese.
8.) In a large bowl, combine the green beans, the remaining 2 tablespoons of butter, and the onion-celery mixture.
9.) Pour the green bean mixture into the prepared baking dish.
10.) Sprinkle the remaining 1/2 cup of shredded cheese and the French's Fried Onions on top.
11.) Bake in the preheated oven for 20-25 minutes, or until heated through and bubbly.
12.) Serve immediately.