Instant Pot Chicken "Noodle" Soup (Keto)

Some recipes feel like a blanket. Some feel like a pep talk. Instant Pot Chicken "Noodle" Soup (Keto) somehow manages to be bothwarm, savory, comforting, and ready without asking you to babysit a pot like it owes you money. It has the soul of classic chicken noodle soup, but swaps the traditional wheat noodles for low-carb alternatives such as zucchini noodles, shirataki noodles, or hearts of palm noodles.

This is the kind of soup you make when you want something cozy but still keto-friendly. It is rich with tender chicken, aromatic vegetables, herbs, and a golden broth that tastes like it has been simmering for hours. The Instant Pot does the heavy lifting, which means you get deep flavor in a fraction of the time. No dramatic stirring. No soup anxiety. Just pressurize, release, shred, and slurp.

Whether you are following a ketogenic eating style, cutting back on carbs, avoiding gluten, or simply looking for a lighter version of a classic comfort food, this recipe gives you all the familiar chicken soup satisfaction without the pasta. The best part? It is flexible enough for meal prep, weeknight dinners, chilly days, and those moments when your refrigerator contains one lonely celery stalk and a dream.

Why This Keto Chicken "Noodle" Soup Works

Traditional chicken noodle soup depends on noodles for texture, but not necessarily for flavor. The real magic comes from chicken, broth, herbs, garlic, onion, celery, and slow-simmered comfort. In this keto version, we keep the flavor foundation and replace the noodles with low-carb options that add texture without turning the bowl into a carb parade.

The Instant Pot makes this especially effective because pressure cooking extracts flavor quickly. Chicken becomes tender, vegetables soften, and the broth takes on a rich, homemade taste in far less time than stovetop simmering. The result is a soup that feels old-fashioned but cooks like it has a modern schedule and places to be.

Best Low-Carb Noodle Options

You have several good choices for the "noodle" part of this keto chicken soup. Each one brings a slightly different texture and personality to the bowl.

• Zucchini noodles: Fresh, light, easy to find, and perfect if you want a vegetable-forward soup.
• Shirataki noodles: Very low in carbs and calories, with a chewy noodle-like texture. Rinse them well before using.
• Hearts of palm noodles: Mild, slightly tender, and excellent for people who want a pasta-style bite without wheat noodles.
• Cabbage ribbons: Budget-friendly, hearty, and surprisingly satisfying in soup.
• Spaghetti squash: A softer option that works best when cooked separately and added to each bowl.

For the most classic chicken noodle soup feeling, shirataki or hearts of palm noodles are the closest substitutes. For the freshest taste, zucchini noodles win the crown. For the “I already have cabbage in the fridge” award, cabbage ribbons proudly accept the trophy.

Ingredients for Instant Pot Chicken "Noodle" Soup

This recipe keeps the ingredient list simple but flavorful. The goal is comfort, not a scavenger hunt.

Main Ingredients

• 1 1/2 pounds boneless, skinless chicken thighs or chicken breasts
• 1 tablespoon olive oil, avocado oil, or butter
• 1 small yellow onion, diced
• 2 celery ribs, sliced
• 1 small carrot, diced small, optional
• 3 garlic cloves, minced
• 6 cups low-sodium chicken broth
• 1 teaspoon dried thyme
• 1/2 teaspoon dried rosemary
• 1 bay leaf
• 1 teaspoon sea salt, plus more to taste
• 1/2 teaspoon black pepper
• 2 cups zucchini noodles, shirataki noodles, or hearts of palm noodles
• 1 tablespoon fresh lemon juice
• 2 tablespoons chopped fresh parsley

Optional Add-Ins

• A pinch of red pepper flakes for gentle heat
• Fresh dill for a brighter herbal flavor
• A splash of heavy cream for a richer keto soup
• Cauliflower rice for extra body
• Baby spinach stirred in at the end

Chicken thighs give the soup a richer flavor and stay tender under pressure. Chicken breasts are leaner and still work beautifully, but they can become dry if overcooked. If using breasts, avoid cutting them too small before cooking. Let them cook whole, then shred them after pressure cooking.

How to Make Keto Chicken "Noodle" Soup in the Instant Pot

The process is simple: sauté the aromatics, pressure cook the chicken, shred it, then add the low-carb noodles at the end. That last step matters because keto noodle substitutes usually do not need long cooking. Add them too early, and zucchini noodles can become limp enough to need emotional support.

Step 1: Sauté the Aromatics

Turn the Instant Pot to the Sauté setting. Add the oil or butter. Once hot, add the onion, celery, and carrot if using. Cook for 3 to 5 minutes, stirring occasionally, until the vegetables begin to soften and smell sweet.

Add the garlic and cook for about 30 seconds. Garlic burns quickly, so do not wander away to check your messages unless you enjoy the flavor of regret.

Step 2: Add Broth, Chicken, and Herbs

Pour in a small splash of chicken broth and scrape the bottom of the pot with a wooden spoon. This helps prevent stuck bits from triggering the dreaded burn notice. Add the remaining broth, chicken, thyme, rosemary, bay leaf, salt, and pepper.

Make sure the chicken is mostly submerged. Do not fill the Instant Pot past the recommended maximum fill line, especially when making soup. Pressure cookers need room to build steam safely.

Step 3: Pressure Cook

Lock the lid in place and set the valve to sealing. Cook on High Pressure for 10 minutes if using chicken breasts or 12 minutes if using chicken thighs. Allow a natural release for 8 to 10 minutes, then carefully quick release any remaining pressure according to your Instant Pot model’s instructions.

For food safety, chicken should reach an internal temperature of 165°F. A simple kitchen thermometer is the easiest way to check. Guessing based on color alone is a culinary coin toss, and soup deserves better.

Step 4: Shred the Chicken

Remove the chicken and place it on a cutting board. Shred it with two forks, then return it to the pot. Remove and discard the bay leaf.

Step 5: Add the Keto "Noodles"

Add your low-carb noodles of choice. If using zucchini noodles, stir them in and let them sit in the hot soup for 2 to 3 minutes. If using shirataki noodles, rinse and drain them well first, then add them to the soup and warm for 3 to 5 minutes. If using hearts of palm noodles, drain them and simmer briefly until warmed through.

Finish with lemon juice and fresh parsley. Taste and adjust the salt and pepper. A tiny bit of acid at the end wakes up the broth and makes the whole pot taste brighter.

Recipe Card: Instant Pot Chicken "Noodle" Soup (Keto)

Prep Time, Cook Time, and Servings

• Prep time: 15 minutes
• Pressure cook time: 10 to 12 minutes
• Total time: About 40 minutes including pressure build and release
• Servings: 6 bowls

Instructions Summary

1. Set Instant Pot to Sauté and heat oil or butter.
2. Add onion, celery, and optional carrot. Cook until slightly softened.
3. Add garlic and cook briefly.
4. Deglaze with broth, scraping the bottom of the pot.
5. Add chicken, remaining broth, herbs, salt, pepper, and bay leaf.
6. Pressure cook on High for 10 to 12 minutes.
7. Natural release for 8 to 10 minutes, then quick release carefully.
8. Shred chicken and return it to the soup.
9. Add keto noodles and warm through.
10. Finish with lemon juice and parsley before serving.

Keto Tips for the Best Chicken Soup

Use Broth With Real Flavor

Because this soup is simple, the broth matters. Use a good-quality chicken broth or bone broth. Low-sodium broth gives you more control over seasoning, especially if you plan to reduce or reheat the soup later.

Go Easy on Carrots

Carrots are higher in carbs than celery or zucchini, but a small amount can add classic chicken soup flavor and color. If you prefer a stricter keto version, skip the carrot and add extra celery, diced zucchini, or cauliflower rice.

Add Noodles at the End

This is the golden rule. Low-carb noodles do not behave like regular pasta. Zucchini noodles become soft quickly, shirataki noodles only need warming, and hearts of palm noodles are already tender. Adding them at the end keeps the texture pleasant.

Do Not Forget the Lemon

Lemon juice may sound optional, but it makes a big difference. It does not make the soup taste lemony; it makes it taste alive. Think of it as turning up the brightness on your broth.

How to Store, Freeze, and Reheat

This keto Instant Pot chicken soup is excellent for meal prep. Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat gently on the stovetop or in the microwave until hot.

If you plan to freeze the soup, freeze it without zucchini noodles. Zucchini can become watery after thawing. Shirataki and hearts of palm noodles hold up better, but the best texture still comes from adding fresh keto noodles when reheating.

For freezer meals, portion the chicken soup base into containers and freeze for up to 3 months. When ready to serve, thaw overnight in the refrigerator, reheat, and add your preferred low-carb noodles at the end.

Flavor Variations

Creamy Keto Chicken "Noodle" Soup

Stir in 1/3 to 1/2 cup heavy cream after pressure cooking. Do not pressure cook the cream, or it may separate. This version is rich, silky, and very satisfying.

Ginger Garlic Chicken Soup

Add 1 tablespoon grated fresh ginger with the garlic. Finish with scallions and a few drops of toasted sesame oil. Shirataki noodles work especially well in this variation.

Herby Lemon Chicken Soup

Add fresh dill, extra parsley, and a little more lemon juice. This version tastes fresh and bright, perfect when you want comfort food that does not feel heavy.

Extra Vegetable Keto Soup

Add cauliflower florets, spinach, mushrooms, or diced zucchini after pressure cooking. Let them warm in the hot broth until tender. This keeps the vegetables from turning mushy.

Common Mistakes to Avoid

Overcooking the Keto Noodles

Regular pasta needs time to cook. Keto noodle substitutes usually do not. Add them after pressure cooking for the best texture.

Skipping the Sauté Step

You can dump everything into the Instant Pot and still get soup, but sautéing onion, celery, and garlic first gives the broth a deeper flavor. It is a small step with a big payoff.

Using Too Little Liquid

Pressure cookers need liquid to create steam. For soup, this is rarely a problem, but always make sure you have enough broth in the pot and follow your appliance’s minimum liquid guidelines.

Forgetting to Deglaze

After sautéing, scrape the bottom of the pot before pressure cooking. This helps prevent stuck bits from causing a burn warning.

Frequently Asked Questions

Is chicken noodle soup keto?

Traditional chicken noodle soup is usually not keto because it contains wheat pasta. This version is keto-friendly because it uses low-carb noodle substitutes like zucchini noodles, shirataki noodles, hearts of palm noodles, or cabbage ribbons.

Can I use frozen chicken?

Yes, but cooking time may need to increase. For best texture and even cooking, thawed chicken is easier. If using frozen chicken, make sure the pieces are separated rather than frozen into one large block, and always check that the chicken reaches 165°F internally.

Which keto noodles taste most like regular noodles?

Hearts of palm noodles and shirataki noodles are the closest options for a noodle-like experience. Zucchini noodles taste fresher and lighter, while cabbage ribbons give the soup a rustic, hearty feel.

Can I make this dairy-free?

Yes. Use olive oil or avocado oil instead of butter and skip any cream-based variation. The basic recipe is naturally dairy-free.

Can I make it with rotisserie chicken?

Absolutely. Sauté the vegetables, add broth and seasonings, pressure cook for 3 minutes to blend the flavors, then stir in shredded rotisserie chicken and keto noodles after cooking. This shortcut is great for busy nights.

Experience Notes: What Making This Soup Teaches You

The first thing you learn when making Instant Pot Chicken "Noodle" Soup (Keto) is that comfort food does not need to be complicated. There is something deeply satisfying about dropping a few humble ingredients into a pot and getting a meal that tastes like you planned your life better than you actually did. Onion, celery, garlic, chicken, broth, herbsnothing fancy, yet somehow the kitchen starts smelling like someone responsible lives there.

The second lesson is that keto cooking works best when it does not try too hard to imitate everything exactly. A zucchini noodle is not wheat pasta. Shirataki noodles are not egg noodles. Hearts of palm noodles are not something your grandmother probably put in soup. And that is fine. Once you stop expecting low-carb noodles to behave exactly like traditional pasta, you can appreciate what each one does well. Zucchini noodles bring freshness. Shirataki noodles bring chew. Hearts of palm noodles bring convenience and a surprisingly pasta-like bite. Cabbage ribbons bring budget-friendly comfort and a little old-school charm.

This soup is also a good reminder that texture matters. If you add zucchini noodles before pressure cooking, they will not gently soften; they will surrender. The better move is to treat keto noodles like finishing ingredients. Add them at the end, let the hot broth do its work, and stop before they lose their personality. This small adjustment can be the difference between a bright bowl of soup and a sad vegetable tangle floating in chicken broth.

Another experience worth noting is the power of the sauté function. It may be tempting to skip it, especially when the Instant Pot is famous for dump-and-go cooking. But sautéing the vegetables first gives the soup a rounder, deeper flavor. Garlic becomes fragrant, onion becomes sweeter, celery softens, and the broth starts with a better foundation. It is only a few minutes, but those minutes matter. Soup notices effort.

Chicken choice also changes the experience. Chicken thighs are forgiving, flavorful, and juicy. They are the “I have your back” cut of chicken. Chicken breasts are leaner and still excellent, but they need a little more care. If you use breasts, keep them whole while pressure cooking and shred them afterward. That helps them stay tender instead of turning into dry little strings of poultry disappointment.

Meal prep is where this recipe quietly becomes a kitchen hero. A pot of keto chicken soup in the refrigerator feels like a safety net. Lunch is handled. Dinner has a backup plan. A chilly evening suddenly has a solution. The best approach is to store the soup base separately from delicate vegetable noodles if possible. Add fresh zucchini noodles or other keto noodles when reheating, and the soup tastes closer to freshly made.

The lemon juice at the end may be the most underrated part of the whole recipe. Many soups taste flat not because they need more salt, but because they need brightness. A spoonful of lemon juice lifts the broth, sharpens the herbs, and makes every bite cleaner. It is a tiny step with a big personality, like a garnish that secretly runs the meeting.

Finally, this recipe proves that keto comfort food does not have to be heavy. It can be warm, cozy, nourishing, and still feel light enough for an ordinary weekday. You do not need a complicated ingredient list or a culinary degree. You need a pressure cooker, good broth, tender chicken, a smart noodle swap, and the patience to let the pressure release without poking the valve like it personally offended you.

Conclusion

Instant Pot Chicken "Noodle" Soup (Keto) is everything a comfort recipe should be: simple, flexible, flavorful, and friendly to a low-carb lifestyle. By using keto noodle substitutes like zucchini noodles, shirataki noodles, hearts of palm noodles, or cabbage ribbons, you can enjoy the cozy spirit of classic chicken noodle soup without traditional pasta.

The Instant Pot makes the process faster while still creating a rich, satisfying broth. Sauté the aromatics, pressure cook the chicken, shred it, add your low-carb noodles at the end, and finish with lemon and herbs. That is the whole cozy operation. No complicated techniques. No bland diet food energy. Just a warm bowl of soup that understands the assignment.

Note: This recipe is intended for general cooking inspiration. Nutrition needs vary by person, especially for children, teens, athletes, and anyone managing a medical condition. For specific dietary guidance, speak with a qualified healthcare professional or registered dietitian.