Creamy Green Bean Casserole with Crispy Onions
Fresh green beans tossed in a creamy garlic-Parmesan sauce, topped with golden crispy fried onions and smoky bacon. A classic holiday favorite made completely from scratch!
Ingredients
For the Green Beans:
- 1 lb 450g fresh green beans, trimmed
- 1 tsp salt for blanching water
For the Creamy Sauce:
- 2 tbsp butter
- 3 cloves garlic minced
- 1 small onion finely chopped
- 2 tbsp all-purpose flour
- 1 cup chicken or vegetable broth
- 1 cup heavy cream or half-and-half
- ½ cup grated Parmesan cheese
- 1 tsp Dijon mustard optional
- Salt and black pepper to taste
- ¼ tsp nutmeg optional
- 2 tbsp chopped fresh parsley
For the Topping:
- 1 ½ cups crispy fried onions store-bought or homemade
- 4 slices cooked bacon crumbled (optional)
Instructions
- Prep the Green Beans – Bring a large pot of salted water to a boil. Add green beans and cook 3–4 minutes until bright and tender-crisp. Drain and transfer to ice water.
- Make the Sauce – In a skillet, melt butter over medium heat. Add onions and garlic; sauté 3–4 minutes. Stir in flour and cook for 1 minute. Gradually whisk in broth, then cream. Add Parmesan, mustard, salt, pepper, and nutmeg. Simmer until thickened.
- Combine – Add the drained green beans and chopped parsley into the sauce. Stir until well coated.
- Bake – Transfer to a greased baking dish. Top with crispy onions and bacon. Bake at 350°F (180°C) for 15 minutes until bubbling and golden.
- Serve – Garnish with extra parsley and enjoy warm!