Gourmet Green Bean Casserole with Gruyere and Bacon
70% authentic · American
An elevated take on the classic, using fresh ingredients, a homemade béchamel sauce, Gruyere cheese, and crispy bacon for a richer flavor.
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Ingredients
- Green beans, fresh1.5 pounds
- Butter3 tablespoons
- Shallots, finely chopped2
- Garlic, minced2 cloves
- All-purpose flour3 tablespoons
- Milk, whole2 cups
- Gruyere cheese, shredded1 cup
- Dijon mustard1 teaspoon
- Salt1/2 teaspoon
- Black pepper1/4 teaspoon
- Bacon, cooked and crumbled4 slices
- Crispy fried onions (optional)1/2 cup
Steps
- 1
Preheat oven to 375°F (190°C).
- 2
Trim and blanch green beans in boiling salted water for 5-7 minutes until tender-crisp. Drain well.
- 3
In a saucepan, melt butter over medium heat. Add shallots and cook until softened, about 3-4 minutes. Add garlic and cook for 1 minute more.
- 4
Whisk in flour and cook for 1 minute, stirring constantly, to form a roux.
- 5
Gradually whisk in milk until smooth. Bring to a simmer, stirring constantly, until the sauce thickens, about 5-7 minutes.
- 6
Remove from heat. Stir in shredded Gruyere cheese, Dijon mustard, salt, and pepper until cheese is melted and sauce is smooth.
- 7
Gently fold in the blanched green beans and crumbled bacon.
- 8
Pour the mixture into a greased baking dish (approx. 8x8 inches).
- 9
Top with crispy fried onions, if using.
- 10
Bake for 20-25 minutes, or until bubbly and lightly browned.
- 11
Let stand for 5 minutes before serving.
