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Instant Pot Chicken Spaghetti

All the flavors of the classic dish made even easier using the Instant Pot. Creamy, cheesy, and a family favorite, this Instant Pot Chicken Spaghetti will be a hit with everyone!
4.17 from 18 votes
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Course: lunch, Main Course
Cuisine: American
Prep Time: 5 minutes
Cook Time: 6 minutes
Rest Time: 5 minutes
Servings: 6
Calories: 508kcal
Author: The Cookin' Chicks



  • 2 tbsp butter
  • 1 lb chicken (boneless, diced)
  • 1 onion, chopped
  • 1 red pepper, diced
  • 4 garlic cloves, minced
  • 2 tsp seasoned salt
  • 1 tsp paprika
  • 1 tsp basil
  • 1/2 tsp red pepper flakes or cayenne pepper
  • 2 1/2 cups chicken broth
  • 10 oz spaghetti noodles, broken in half
  • 1 cup half and half *you can use heavy cream if desired
  • 2 cups cheddar cheese, shredded
  • 2 tbsp cornstarch


  • Click sauté on Instant Pot and add butter.
  • Once butter has melted, add in the onions and garlic and sauté for about 5 minutes.
  • Turn sauté function off and add in the red bell pepper, seasoned salt, paprika, basil, and red pepper flakes.
  • Add in the chicken and season with desired amount of salt and pepper.
  • Pour in the chicken broth.
  • Place the spaghetti noodles in a single layer on top of the chicken and ensure they are fully submerged in the broth.
  • Secure lid onto Instant Pot and move valve to sealing position.
  • Cook manual high pressure for 6 minutes followed by a quick release.
  • Once pressure has released and pin has dropped, open the lid and stir in the half & half, cheddar cheese, and cornstarch.
  • Move Instant Pot to sauté function once more and stir everything together.
  • Allow to sauté for about 5 minutes, to allow sauce to thicken.
  • Turn off Instant Pot and serve warm! Enjoy!


Nutrition Facts
Instant Pot Chicken Spaghetti
Amount Per Serving
Calories 508 Calories from Fat 297
% Daily Value*
Fat 33g51%
Saturated Fat 17g106%
Cholesterol 121mg40%
Sodium 1476mg64%
Potassium 417mg12%
Carbohydrates 24g8%
Fiber 2g8%
Sugar 2g2%
Protein 28g56%
Vitamin A 1604IU32%
Vitamin C 36mg44%
Calcium 339mg34%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
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