Name: Turkey Tetrazzini
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Yield: 8
Ingredients: 12 oz spaghetti or linguine pasta; 3 cups cooked leftover turkey, shredded or diced; 8 oz fresh mushrooms, sliced; 1 medium yellow onion, finely diced; 3 cloves garlic, minced; 4 tablespoons unsalted butter; ¼ cup all-purpose flour; 2 cups low-sodium chicken or turkey broth; 1½ cups whole milk; ½ cup heavy cream; ½ cup sour cream; 1 cup frozen peas; 1 cup freshly grated Parmesan cheese; 1 cup shredded mozzarella cheese; ½ teaspoon garlic powder; ½ teaspoon onion powder; ½ teaspoon dried thyme; ½ teaspoon freshly ground black pepper; ½ teaspoon salt, or to taste; 2 tablespoons fresh parsley, finely chopped; ½ cup shredded mozzarella cheese (for topping); ¼ cup freshly grated Parmesan cheese (for topping); ½ cup panko breadcrumbs; 2 tablespoons unsalted butter, melted; 1 tablespoon fresh parsley, finely chopped (for topping)

Turkey Tetrazzini is a comforting casserole that transforms leftover turkey into a rich, creamy pasta bake loaded with mushrooms, peas, and a blend of cheeses. This hearty dish is perfect for turning simple ingredients into a crowd-pleasing meal.

The secret to its luscious texture lies in the creamy cheese sauce thickened with a smooth roux and enriched by combining whole milk, cream, and sour cream. Cooking the pasta just shy of al dente ensures it absorbs the sauce’s flavors perfectly during baking without becoming mushy.

This casserole suits busy weeknights or casual family dinners and can be assembled ahead and refrigerated before baking. It stores well, reheating beautifully for leftovers, making it ideal for those who want a satisfying, make-ahead comfort food.

With a flavor profile balancing savory turkey, earthy mushrooms, sweet peas, and a crispy golden cheese and breadcrumb topping, this dish appeals especially to lovers of creamy, cheesy casseroles. Using a sturdy 9×13-inch ceramic baking dish helps distribute heat evenly for a bubbly, perfectly browned finish.