Gourmet Green Bean Casserole
A decadent and flavorful twist on the classic green bean casserole, perfect for any holiday gathering or special occasion. This recipe elevates the dish with rich mushroom and creamy béchamel sauce.
Equipment Needed
- Baking dish
- Large Pot
- Large Saucepan
- Large Skillet
- Whisk
Ingredients
- 2.00 poundsFresh Green Beans(Trim ends and cut into 1-inch pieces.)
- 1.00 poundsCrimini Mushrooms(Sliced.)
- 6.00 tablespoonsUnsalted Butter(Divided for cooking mushrooms and sauce.)
- 3.00 tablespoonsOlive Oil(Divided for cooking mushrooms.)
- 4.00 largeThyme Sprigs(Freshly chopped.)
- 2.00 tablespoonsAll-Purpose Flour(For the roux.)
- 1.25 cupsWhole Milk
- 1.00 cupsHeavy Cream
- 4.00 mediumGarlic Cloves(Finely grated.)
- 0.50 cupsParmesan Cheese(Grated.)
- 2.00 teaspoonsKosher Salt(To taste.)
- 1.00 teaspoonFreshly Ground Black Pepper(To taste.)
- 0.75 cupsFried Onions(For topping.)
Instructions
Preheat oven to 375°F (190°C).
Estimated time: 5 minutes
Boil green beans until tender-crisp (3-5 minutes). Drain and cool.
Estimated time: 8 minutes
Sauté mushrooms in olive oil and butter until golden brown.
Estimated time: 7 minutes
Add thyme sprigs to mushrooms and cook until fragrant.
Estimated time: 3 minutes
Melt butter in a saucepan, whisk in flour, and cook until roux forms.
Estimated time: 5 minutes
Gradually whisk in milk and cream, bring to a simmer, and cook until thickened.
Estimated time: 8 minutes
Stir in garlic, Parmesan, salt, and pepper.
Estimated time: 2 minutes
Combine green beans and mushrooms in a baking dish.
Estimated time: 2 minutes
Pour sauce over the vegetables and cover with foil.
Estimated time: 2 minutes
Bake for 25-30 minutes, uncover, and bake for another 15-20 minutes until browned.
Estimated time: 45 minutes
Sprinkle with fried onions and bake for 3 minutes more.
Estimated time: 3 minutes
Let rest for 10 minutes before serving.
Estimated time: 10 minutes