Turkey Tetrazzini, a delicious pasta with a creamy pasta sauce made with leftover Turkey. 

A wonderful quick and easy dinner recipe that the entire family will enjoy and a perfect way to use up leftover Turkey too.  Instant Pot and Stove Top Directions for ever level of cook.

Turkey Tetrazzini, Pressure Cooker recipe

Serves 6 | Ready in 30 minutes | Good for Dinner | 6qt Instant Pot

Do you love a creamy Alfredo Sauce?  Well, then you will love Turkey Tetrazzini with the creamy Alfredo like sauce over spaghetti noodles. 

This quick and easy dinner recipe can be made in about 15 minutes using leftover Turkey in the Instant Pot / Pressure Cooker.  

Turkey, Spaghetti, mushrooms, peas, onion, garlic, cheese, cream

I was pleasantly surprised this year when for a late evening snack my son wanted this pasta dish made with some turkey!  haha…  no I didn’t make it for him.   

But I did make it the next day.  Something about being in the kitchen all day for Thanksgiving, and I was ready to be off my feet.  

Turkey Tetrazzini is so good! I love the added mushrooms and peas to this recipe. It just gives a great balance of flavors with a creamy sauce.

You don’t even know you are eating Turkey anymore.

Turkey Tetrazzini casserole with french bread

Fun Fact:

Turkey Tetrazzini can be made with leftover Chicken too!  WOW!  I guess we would need to call it Chicken Tetrazzini!  haha. 

Any way you decide to make this recipe it will be perfect for dinner.

What is Turkey Tetrazzini?

Turkey Tetrazzini is a Turkey Casserole that is tried and true.  It’s a pasta baked casserole with a creamy Alfredo mushroom sauce, baked until hot and bubbly.

Turkey Tetrazzini Casserole

How to make Turkey Tetrazzini?

Turkey Tetrazzini is typically a baked pasta casserole.  To prep for this recipe you can either use the Stove Top or the Instant Pot Pressure Cooker.  It’s wonderful no matter how you prepare it.

Then pop it in the oven to toast the top and you are ready to serve.

Turkey Tetrazzini and french bread

What to serve with Turkey Tetrazzini?

Turkey Tetrazzini can be served with steamed vegetables, a garden green salad, or tasted garlic french bread.  What are you craving? 

What does Turkey Tetrazzini have in it?

Turkey Tetrazzini has mushrooms, onions, garlic, peas, and a creamy Alfredo like sauce. Is your mouth watering? Mine is!

Pin this Recipe for Later!

Turkey Tetrazzini made with leftover Turkey, pasta, mushrooms and a creamy sauce

Quick Tips

Substitute Chicken for the Turkey and make a wonderful Chicken Tetrazzini. It’s wonderful with leftover Rotisserie Chicken.  Just sayin’ .  😉

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How to make Turkey Tetrazzini
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Turkey Tetrazzini

Turkey Tetrazzini is a creamy pasta with Turkey and a Mushroom Alfredo Pasta Sauce. Typically baked until hot and bubbly. Stove Top and Instant Pot Pressure Cooker directions.
Prep Time5 mins
Cook Time4 mins
Additional Time10 mins
Total Time19 mins
Devour Dinner
Course: Entree
Cuisine: Italian
Servings: 6 Servings
Calories: 613kcal
Author: Devour Dinner


  • 12 oz Spaghetti Noodles
  • 2 Tb Butter
  • 1 Tb Garlic
  • 8 oz Mushrooms
  • 1 Yellow Onion Diced
  • 3 1/2 Cup Broth**
  • 1 Cup Heavy Whipping Cream
  • 2 Cup Cubed Cooked Turkey
  • 4 oz Sour Cream
  • 1/2 – 3/4 Cup Parmesan Cheese
  • 1 Cup Frozen Peas
  • 2 Cup French Fried Onions * Optional
  • Salt and Pepper to Taste


  • Instant Pot / Pressure Cooker Directions:

  • Heat Instant Pot on Saute’ until it reads “hot”
  • Add Butter, garlic, and diced onion. Saute until onion begins to turn translucent
  • Add sliced mushrooms and Saute for 1 minute.
  • Turn off Instant Pot.
  • Add Broth and deglaze bottom of pan if needed.
  • Break Spaghetti noodles in half and lay about 1/3 of the noodles across bottom of pan. Then lay about 1/3 of the noodles criss cross on top of the bottom noodles. Add remaining noodles criss cross on top of those noodles. DO NOT STIR.
  • Add Whipping Cream. DO NOT STIR
  • Add Turkey cubes on top. DO NOT STIR
  • Set to manual for 4 minutes. Allow 3 minute Natural Release and then Quick Release.
  • Stir Pasta and Turkey together.
  • Add in Peas, sour cream and cheese. Stir to combine and close lid for 1 minute to heat through. Enjoy!
  • (Optional) Transfer to a casserole dish and place French Fried Onions on top, Bake at 350 for 5 minutes. Enjoy.
  • **Stove / Oven Directions:

  • Cook noodles according to directions.
  • In a frying pan, saute’ butter, garlic and diced onion until translucent
  • Add mushrooms and saute’ for a minute to soften.
  • Increase whipping cream to 2 cups and omit both.
  • Add whipping cream to onion and mushroom mixture. Heat through.
  • Add sour cream and parmesan cheese. Stir to combine.
  • Add Peas.
  • Add pasta and stir to combine.
  • Place Pasta into casserole dish
  • top with French Friend Onions and Bake at 350 degrees for 15-20 minutes or until hot and bubbly.


Serving: 1g | Calories: 613kcal | Carbohydrates: 47g | Protein: 27g | Fat: 36g | Saturated Fat: 17g | Polyunsaturated Fat: 15g | Trans Fat: 1g | Cholesterol: 125mg | Sodium: 711mg | Fiber: 4g | Sugar: 9g
Did you make this recipe?Mention @devourdinner or tag us #devourdinner!

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