Fancy Green Bean Casserole | Recipes Direct

Ingredients

• ***For the crispy fried onions:***
• 2 sweet onions, thinly sliced
• 2 cups buttermilk
• vegetable oil or canola oil, to taste
• 3 cups all-purpose flour
• salt, to taste
• black pepper, to taste
• ***For the casserole:***
• 2 pounds fresh green beans, trimmed, snapped in half
• 1 tablespoon olive oil
• 2 tablespoons unsalted butter
• 1 large sweet onion, diced
• kosher salt, to taste
• 1 (16-ounce) package cremini mushrooms, chopped
• 4 cloves garlic, minced or pressed
• 2 tablespoons all-purpose flour
• 1 1/2 cups chicken stock or vegetable stock
• 1 1/2 cups heavy cream
• 1/4 teaspoon nutmeg, freshly grated
• 1/2 cup Parmigiano-Reggiano cheese, freshly grated, plus more, to taste