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Cheesy Leftover Turkey Casserole

How to make the best leftover turkey casserole with pasta. Easy recipe made with egg noodles and leftovers, this turkey tetrazzini is so creamy and delicious!
4.34 from 3 votes
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Course: Main Dish - Casserole, Pasta
Cuisine: American
Prep Time: 30 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Servings: 10
Calories: 547kcal
Author: Mel Lockcuff


  • 1 cup salted butter
  • 1 medium yellow onion minced
  • 1 medium green bell pepper chopped
  • 4 ounces mushrooms diced
  • 2/3 cup all-purpose flour
  • 2 cups whole milk
  • 2 cups chicken broth
  • 1 teaspoon salt
  • 1/2 teaspoon ground black pepper
  • 8 ounces American cheese
  • 8 ounces cheddar cheese shredded
  • 3 cups turkey cooked and shredded
  • 16 ounces egg noodles cooked


  • Pre-heat the oven to 350° F, and grease a 9x13 baking dish with cooking spray.
  • In a large skillet, melt the butter and sauté the onion, bell pepper, and mushrooms until they’re tender, probably about 15 minutes.
  • Then add the flour and blend it in with the veggies really well.
  • Add in the milk and chicken broth, cooking on low ’til the sauce begins to thicken.
  • Finally, add in the salt, pepper, and cheeses, and cook until the cheese is melted.
  • Combine the cheese sauce, shredded turkey, and noodles in a large mixing bowl, and spread the mixture in the greased 9x13 baking dish.
  • Bake at 350° F for about 30 minutes, or until the casserole is heated through and bubbly.
  • Serve while warm.



*You can also use spaghetti noodles or fettuccine noodles instead of egg noodles. Or you can use gluten-free pasta and gluten-free flour to make this casserole gluten-free. Of course, check the labels on all of your other ingredients to ensure that everything is gluten-free if going this route.
*Don’t have turkey? Use chicken instead; rotisserie chicken would taste great. Just shred it up and add as you would the turkey.


Serving: 1g | Calories: 547kcal | Carbohydrates: 28g | Protein: 27g | Fat: 36g | Saturated Fat: 21g | Polyunsaturated Fat: 12g | Trans Fat: 1g | Cholesterol: 139mg | Sodium: 1051mg | Fiber: 2g | Sugar: 6g
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