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Leftover Turkey Tetrazzini

Shruthi
A creamy pasta bake using leftover turkey and mushrooms.An easy, comforting casserole perfect for post-holiday meals.Simple ingredients create a rich, satisfying dish everyone enjoys.Ideal for using leftovers in a flavorful and budget-friendly way.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Main Course
Cuisine American
Servings 4
Calories 520 kcal

Ingredients
  

  • 3 cups cooked leftover turkey, chopped
  • 12 oz spaghetti or fettuccine, cooked
  • 2 cups sliced mushrooms
  • 1 small onion, diced
  • 3 tablespoons butter
  • 3 tablespoons flour
  • 2 cups chicken or turkey broth
  • 1 ½ cups milk or half-and-half
  • ½ cup grated Parmesan cheese
  • 1 cup shredded mozzarella
  • 1 teaspoon garlic powder
  • ½ teaspoon dried thyme
  • Salt and pepper to taste
  • ½ cup breadcrumbs (optional topping)

Instructions
 

  • Preheat oven to 375°F (190°C).
  • Cook pasta according to package instructions; drain and set aside.
  • In a skillet, melt butter and sauté onion and mushrooms until soft.
  • Sprinkle in flour and whisk to form a roux; cook 1–2 minutes.
  • Slowly add broth and milk, whisking until smooth and thickened.
  • Season with garlic powder, thyme, salt, and pepper.
  • Stir in Parmesan cheese until melted.
  • Add cooked turkey and pasta into the sauce, mixing well.
  • Transfer mixture to a baking dish and top with mozzarella and breadcrumbs.
  • Bake 20–25 minutes or until golden and bubbling.

Notes

  • Use any pasta shape such as penne or egg noodles for a different texture.
  • Add peas or spinach for a pop of color and added nutrition.
  • Half-and-half makes it richer, but milk keeps it lighter.
  • Make it ahead and refrigerate up to 24 hours before baking.
  • Cream cheese option: adding 2–3 tablespoons gives a denser, creamier sauce.
Keyword creamy pasta bake, easy tetrazzini, holiday leftovers, Leftover turkey recipe, Turkey casserole