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Cheesy Leftover Turkey Casserole with Pasta

How to make the best turkey casserole with pasta. Easy recipe made with egg noodles and leftovers, this turkey tetrazzini is so creamy and delicious!
4 from 2 votes
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Course: Pasta
Cuisine: American
Prep Time: 30 minutes
Cook Time: 45 minutes
Total Time: 1 hour 15 minutes
Servings: 10
Calories: 547kcal
Author: Mel Lockcuff


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


  • First things first, cook the egg noodles, per package directions.
  • In a large skillet, melt the butter and sauté the onion, bell pepper, and sliced 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 cheeses, and cook until it’s all melted.
  • Then add in the salt and pepper.
  • Combine the turkey, noodles, and cheese sauce in a large mixing bowl, and add that mixture to a greased 13×9 inch baking dish.
  • Bake at 350° F for about 30 minutes, or until the casserole is heated through and bubbly.



*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.
**I prefer using a chicken base to make broth (instructions are on the packaging).
***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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