
Ultimate Green Bean Casserole
This casserole is a classic for a reason! With crispy fried onions, tender green beans, and a creamy mushroom sauce, it's a dish that's sure to please. It's the ultimate comfort food that will have everyone coming back for seconds.
Instructions
- 1
Preheat the oven to 400˚F (200˚C).
- 2
In a large pot of salted boiling water, blanch the green beans for 3 minutes, until tender and bright green. Drain and transfer to a 9x13-inch (23x33 cm) baking dish.
- 3
Melt 4 tablespoons of butter in a large pan over high heat. Add the onions and cook for 8 minutes, until softened and translucent.
- 4
Add the mushrooms and cook for 5 minutes, until browned. Add the garlic and cook just until fragrant, about 1 minute.
- 5
Transfer the vegetable mixture to the casserole dish with the green beans. Wipe out the pan.
- 6
Melt the remaining 4 tablespoons of butter in the same pan. Add the flour and stir to combine. Cook until a golden brown roux forms, for 5 minutes.
- 7
Add the milk, heavy cream, salt, pepper, chicken broth, and Parmesan cheese, and stir to combine. Reduce the heat to medium-low and cook until the sauce is thickened, about 10 minutes.
- 8
Pour the sauce evenly over the vegetables in the casserole dish and toss until everything is well coated. Cover with foil.
- 9
Bake for 20 minutes, then remove the foil and bake for another 10 minutes.
- 10
Top the casserole with the fried onions, then serve.
- 11
Enjoy!
Recipe from tasty.co
Comments
Ingredients delivered in ~45 min
via Instacart from 1,400+ stores
Ingredients (13)
- •2 lb green beans, trimmed
- •8 tablespoons unsalted butter, 1 stick, divided
- •2 medium white onions, thinly sliced
- •1 ½ lb cremini mushroom, sliced and stemmed
- •5 cloves garlic, sliced
- •3 tablespoons all-purpose flour
- •1 cup milk
- •½ cup heavy cream
- •2 teaspoons kosher salt
- •1 teaspoon freshly ground black pepper
- •1 cup chicken broth, or vegetable broth
- •½ cup grated parmesan cheese
- •1 cup store-bought fried onions