Fresh Green Bean Casserole - Oliver's Markets

Ingredients

• FOR THE CRISPY ONION TOPPING: 2 medium onions, thinly sliced
• 1/4 cup all-purpose flour
• 2 tablespoons panko bread crumbs
• 1 teaspoons kosher salt
• Cooking Spray
• FOR THE GREEN BEANS & SAUCE: 2 tablespoons + 1 teaspoon Kosher salt, divided
• 1 pound fresh green beans, trimmed and halved
• 2 tablespoons Clover unsalted butter
• 12 oz. mushrooms, trimmed and cut into 1/2-inch pieces
• 1/2 teaspoon freshly ground black pepper
• 2 cloves garlic, minced
• 1/4 teaspoon freshly ground nutmeg
• 2 tablespoon all-purpose flour
• 2 tablespoons all-purpose flour
• 1 cup vegetable or chicken broth
• 1 cup Clover half-and-half