Ingredients
Equipment
Method
Step-by-Step Instructions
- Prepare Green Beans: Boil salted water, add green beans, and cook for 4 minutes. Drain and transfer to an ice bath.
- Make the Sauce: Melt butter in a saucepan, sauté onions and mushrooms, then add garlic and cook briefly. Stir in flour, then whisk in broth and milk. Season and cook until thickened.
- Combine Ingredients: Preheat oven to 350°F. Pour sauce over green beans in a greased baking dish and mix gently.
- Top Casserole: Mix breadcrumbs with butter and cheese, then sprinkle over the casserole.
- Bake: Bake for 35-40 minutes until golden and bubbly. Let rest for 5 minutes before serving.
Nutrition
Notes
For make-ahead, prepare a day in advance and keep breadcrumb topping separate until baking.
