A white pasta bowl full of fettuccine alfredo with a piece of parsley on top for garnish, and a fork on the side.
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4.86 from 14 votes

Instant Pot Skinny Fettuccine Alfredo

Skinny Instant Pot Fettuccine Alfredo is rich and creamy, with a fraction of the calories of traditional alfredo. It's an easy instant pot pasta recipe that everyone is sure to love! 
Prep Time5 mins
Cook Time20 mins
Total Time25 mins
Course: Main Course
Cuisine: Italian
Servings: 4
Calories: 405kcal
Author: Lauren Allen

Ingredients

  • 8 ounces fettuccine noodles , broken in half
  • 1 teaspoon oil
  • 3 cloves garlic minced
  • salt and pepper
  • 2 1/2 cups low-sodium chicken broth (or vegetable broth)
  • 1 cup milk , skim or 1%
  • 3 teaspoons cornstarch
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon dried basil
  • 1/2 teaspoon dried parsley flakes
  • 1 cup freshly grated parmesan cheese

Instructions

  • Add oil to the IP and turn to saute. Once hot add garlic and stir for 10 seconds. Turn IP off. 
  • Add pasta and chicken broth, making sure the noodles are covered in the liquid.
  • Turn valve to sealed and cook on manual (high pressure) for 3 minutes. 
  • When the times beeps allow the pressure to naturally release for 6 minutes, before turning the valve to release remaining pressure and open the lid. 
  • Stir pasta, breaking up any pieces that have stuck together.
  • Stir the cornstarch and milk together until smooth. Add to the instant pot, along with the dry spices and parmesan cheese. Season with salt and pepper, to taste.
  • Turn Instant pot to saute setting and stir gently until the sauce just begins to thicken. Turn Instant Pot off. 
  • The sauce will thicken significantly as it cools, so allow it to cool for a few minutes before serving. You can add additional cheese, if needed, to thicken the sauce. 

Notes

Don't own an Instant Pot? Make this recipe in just one pan, on the stove-top, with this recipe

Nutrition

Calories: 405kcal | Carbohydrates: 48g | Protein: 22g | Fat: 13g | Saturated Fat: 6g | Cholesterol: 75mg | Sodium: 465mg | Potassium: 385mg | Fiber: 1g | Sugar: 4g | Vitamin A: 350IU | Vitamin C: 0.7mg | Calcium: 379mg | Iron: 1.7mg