Turkey-Cheddar Tetrazzini

Serves:

• 1 pound elbow macaroni
• 4 tablespoons unsalted butter
• 1 large onion, chopped
• 1 large carrot, pelled and chopped
• 1 celery stalk, chopped
• 1 large garlic clove, finely chopped
• 1/2 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 10 ounces sliced white mushrooms
• 1//4 cup all-purpose flour
• 2 cups low sodium chicken broth
• 1 cup whole milk
• 4 cups shredded roasted turkey
• 8 ounces shredded sharp cheddar cheese
• 1 cup unseasoned bread crumbs
• 2 tablespoons finely grated Parmigiano-Reggiano
• 2 tablespoons olive oil