This super easy Instant Pot Chicken Alfredo Pasta is a classic one‑pot comfort meal that gets sped up by using the Instant Pot. A rich, creamy sauce with tender chicken makes this a weeknight favorite.
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Instant Pot Chicken Alfredo
I’m obsessed with this chicken Alfredo. It’s built on butter, heavy cream, and freshly grated Parmesan — simple ingredients that combine into something irresistible. Each time I make it, one bowl never seems enough. The sauce is silky, the chicken tender, and served alongside crusty bread it becomes a satisfying, comforting meal.
Because this is made in the Instant Pot, it comes together quickly and with minimal fuss. Browning the chicken first adds extra flavor, and the pressure cooking finishes everything evenly while the pasta cooks right in the sauce. Leftovers can be reheated gently and still taste great the next day.
What You’ll Need To Make Chicken Alfredo in the Instant Pot
- Butter — use unsalted butter so you can control the seasoning.
- Chicken breast — boneless, skinless, cut into bite-sized pieces.
- Salt and pepper — to taste.
- Garlic — sliced or minced; garlic brightens the sauce.
- Chicken stock — low-sodium stock is preferred; a concentrated bouillon diluted to taste works well.
- Heavy cream — higher fat content yields a richer, smoother sauce.
- Fettuccine — traditional for Alfredo; break the pasta to fit if necessary.
- Parmesan — freshly grated from a block melts best and gives the creamiest texture.
Can you use Bottled Alfredo Sauce in the Instant Pot?
For this recipe, I recommend making the sauce from scratch inside the Instant Pot. It’s quick and gives the best texture. Pre-made jarred sauce can be thicker and may trigger the Instant Pot’s burn warning, so it’s safer to build the sauce with cream and Parmesan during the cooking process.
How To Make Chicken Alfredo in the Instant Pot
- Set the Instant Pot to Sauté. Melt the butter, season the diced chicken with salt and pepper, and brown it in the butter.
- Remove the browned chicken and set it aside. The goal is to build flavor; the chicken will finish cooking under pressure.
- Add the garlic to the pot, stir briefly, then pour in the chicken stock. Use a wooden spoon to deglaze the bottom of the pot, scraping up any browned bits left from the chicken.
- Pour in the heavy cream, then add the fettuccine. Fan or tuck the pasta so it sits evenly, then layer the chicken pieces on top. Do not stir vigorously; just arrange.
- Close the lid, set the valve to sealing, and cook on High Pressure for 6 minutes.
- When the cook time ends, allow a natural pressure release for 5 minutes, then perform a quick release to release remaining pressure.
- Open the lid and stir in the freshly grated Parmesan until the sauce thickens. The sauce will continue to thicken as it cools slightly. Serve immediately.
How Do You Reheat Instant Pot Chicken Alfredo Leftovers?
This dish is best on the day it’s made, but leftovers reheat well if done gently. Warm on the stovetop over low heat and stir often, adding a splash of milk or broth if the sauce has thickened too much. A gentle steam in a covered dish or a low oven with a bit of added liquid also helps loosen the sauce without drying the chicken.
Notes on This Instant Pot Alfredo Chicken
- Do not substitute regular milk for heavy cream. Milk can curdle or separate when cooked under pressure.
- This recipe was tested in a 6‑quart Instant Pot Duo. Cooking times may need slight adjustments for other sizes or models.
- If you don’t have fettuccine, short pasta like penne or broken spaghetti can be used; adjust placement so pasta sits evenly in liquid.
Recipe
Instant Pot Chicken Alfredo Pasta
Equipment
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Instant Pot, 6 Qt
Ingredients
- 2 tablespoons butter, unsalted
- 2 boneless skinless chicken breast, diced
- 1 teaspoon salt and pepper
- 3 cloves garlic, sliced
- 2 cups chicken broth, low sodium
- 1 cup heavy cream
- 400 grams fettuccine
- ½ cup parmesan, or more
Instructions
- On Sauté mode, melt the butter, add the seasoned chicken, and brown it on both sides.
- Remove the chicken and set it aside; it will finish cooking under pressure.
- Add the garlic and stir briefly, then pour in the chicken broth. Deglaze the pot by scraping any browned bits from the bottom.
- Stir in the heavy cream and add the fettuccine. Layer the chicken on top of the pasta.
- Close the lid, set the valve to sealing, and cook on High Pressure for 6 minutes.
- Allow a 5 minute natural pressure release, then perform a quick release for any remaining pressure.
- Stir in the Parmesan to thicken the sauce. Serve immediately; the sauce will thicken further as it cools slightly.
Nutrition
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Calories: 760 kcal
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Carbohydrates: 75 g
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Protein: 33 g
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Fat: 37 g
Other recipes you may like
- Instant Pot Shrimp Risotto
- Instant Pot Mac and Cheese
- Instant Pot Mason Jar Cheesecakes
- Instant Pot Cheeseburger Soup with Bacon
- Instant Pot Chicken Vegetable Soup
- Instant Pot Chicken Stroganoff
More places to find me: @onepotonlyrecipes on Instagram and One Pot Only on Pinterest.