Best Homemade Green Bean Casserole Recipe
Make the best green bean casserole from scratch with fresh green beans, creamy mushroom sauce, and crispy fried onions. Perfect for Thanksgiving and holidays.
Ingredients
- 2 pounds fresh green beans trimmed and cut into bite-sized pieces
- 12 ounces white button mushrooms thinly sliced
- 4 tablespoons unsalted butter
- 2-3 cloves garlic minced
- 4 tablespoons all-purpose flour
- 1 cup low-sodium chicken broth or vegetable broth
- 1 cup heavy cream
- 2 cups French fried onions divided
- Salt to taste
- Black pepper to taste
Instructions
- Preheat oven to 375°F and grease a 9x13 inch baking dish
- Bring a large pot of salted water to boil and blanch green beans for 5 minutes
- Drain beans and immediately transfer to ice water bath, then drain again
- Melt butter in large skillet over medium heat and cook mushrooms for 8 minutes until golden
- Add minced garlic and cook for 1 minute
- Sprinkle flour over mushrooms and stir constantly for 2 minutes
- Slowly pour in chicken broth while stirring continuously
- Add heavy cream and simmer for 3-4 minutes until sauce thickens
- Season sauce with salt and black pepper to taste
- Remove from heat and add blanched green beans and 1 cup fried onions
- Transfer mixture to prepared baking dish and spread evenly
- Top with remaining 1 cup fried onions
- Bake for 25-30 minutes until bubbly and golden brown
- Let rest for 5 minutes before serving