Chicken Tetrazzini: My Cheesy Comfort Food Recipe

Ingredients

• 2 tablespoons olive oil (30 ml)
• 1.5 pounds boneless, skinless chicken breasts, cut into 1-inch pieces (approx. 680g)
• 1 teaspoon kosher salt (5 ml)
• 1/2 teaspoon black pepper (2.5 ml)
• 8 ounces cremini mushrooms, sliced (approx. 225g)
• 1/4 cup dry sherry (60 ml)
• 6 tablespoons unsalted butter (85g)
• 1/2 cup all-purpose flour (60g)
• 4 cups chicken broth (950 ml)
• 1 cup heavy cream (240 ml)
• 1/4 teaspoon ground nutmeg (1.25 ml)
• 1/4 teaspoon white pepper (1.25 ml)
• 1/2 cup grated Parmesan cheese (50g), plus more for topping
• 1/4 cup chopped fresh parsley
• 1 pound spaghetti, cooked al dente according to package directions (450g)
• 1/2 cup panko breadcrumbs (50g)
• 2 tablespoons melted butter (30g)