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Chicken spaghetti casserole on fork

Chicken Spaghetti Casserole

Chicken and peppers are cooked with spaghetti and topped with cheese, delicious bite after bite! Because this casserole is made in a pressure cooker, it is super low hands-on cooking, so you can spend more time with the family.
4.45 from 43 votes
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Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 6 servings

Equipment

Ingredients

Optional Toppings

  • crumbled bacon 1/4 lb. cooked/crumbled
  • fresh parsley

Instructions

  • Press the “Sauté” setting on a 6 qt. pressure cooker and add in olive oil. Add in onion and bell pepper and sauté for 4 minutes, stirring occasionally. Add in garlic and cubed chicken breast and sauté for another 2 minutes. Make sure no chicken is stuck to the bottom of the pressure cooker.
    Fresh vegetables cut up in a pressure cooker
  • Spoon the contents of 2 cans of cream of chicken soup into the pressure cooker and pour in 4 cups of chicken broth (or water). Stir to combine.
  • Break dry/uncooked spaghetti in half and put into the pressure cooker. Gently press the spaghetti down so that the spaghetti is mostly covered by liquid. Add a generous pinch of salt and pepper. Do not stir dry spaghetti, space will be tight.
  • Seal the pressure cooker lid and set the pressure cooker to “High Pressure” for 8 minutes.
  • Flip the valve to release the pressure (quick release) and when the pressure subsides open the lid and stir in 1 cup of cheese. Sprinkle remaining cup of cheese on top and let sit for 2-3 minutes, until it has melted. Contents of the pressure cooker will thicken as it sits with the lid off, so if it seems like there’s a little too much liquid, let it sit with the lid off for a few additional minutes. Serve and enjoy!
    Scooping casserole out of an Instant Pot

Notes

Optional: top finished dish with crumbled bacon and fresh parsley, if desired.
I like using red/orange/yellow bell peppers for this recipe as they tend to be slightly milder/sweeter in flavor than green bell peppers, but green bell peppers work as well!
The nutrition information presented on this site should be considered an estimate as the calculations will change based on the exact products you use in your own kitchen.  

Nutrition

Serving: 1serving | Calories: 377kcal | Carbohydrates: 25g | Protein: 30g | Fat: 17g | Saturated Fat: 8g | Polyunsaturated Fat: 8g | Cholesterol: 82mg | Sodium: 1157mg | Fiber: 1g | Sugar: 3g