Description
This Best-Ever Green Bean Casserole features fresh green beans and creamy Parmesan sauce topped with crunchy fried onions, perfect for any meal or festive occasion.
Ingredients
Scale
- 2 lb. fresh green beans
- Kosher salt
- 2 Tbsp. extra-virgin olive oil
- 1 lb. crimini mushrooms
- 6 Tbsp. unsalted butter
- 4 large sprigs thyme
- 2 Tbsp. all-purpose flour
- 1¼ cups whole milk
- 1 cup heavy cream
- 4 garlic cloves, finely grated
- ½ cup grated Parmesan
- Freshly ground black pepper
- ¾ cup French’s fried onions
Instructions
- Preheat the oven to 375°F and prepare green beans by boiling for 3 minutes until bright green.
- Sear half of the sliced mushrooms in a skillet with olive oil until golden brown and fragrant, then repeat with the remaining mushrooms.
- Make the creamy sauce by melting butter, whisking in flour, and gradually adding milk and cream. Stir in garlic and Parmesan after thickening.
- In a baking dish, layer green beans and mushrooms, pour the sauce over, cover with foil, and bake for 25–30 minutes.
- Remove foil, bake an additional 15–20 minutes until golden brown.
- Top with fried onions and bake for 3 more minutes.
Notes
Avoid overcooking green beans to maintain their firmness and color.
Use freshly grated Parmesan for the best flavor and texture in the sauce.
Cook the gravy ahead of time to simplify assembly.
Nutrition
- Serving Size: 1 serving
- Calories: 250
- Sugar: 3g
- Sodium: 450mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 22g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 35mg