Ingredients
Method
- Preheat oven to 375°F (190°C). Steam or boil green beans 5 minutes until crisp-tender; drain.
- Melt butter in a skillet over medium heat. Sauté onions and mushrooms 6-8 minutes until soft and browned.
- Stir in flour and cook 1 minute. Whisk in milk and broth until sauce thickens, about 2-3 minutes.
- Remove from heat. Stir in cheese, salt, and pepper.
- Toss beans with mushroom sauce in a baking dish. Top with crispy fried onions.
- Bake 15-20 minutes until bubbly and topping is golden.