Keto Chicken & Rice Soup

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published March 2, 2025 • Updated March 4, 2025

This post may contain affiliate links. See my disclosure policy.

This keto-friendly version of Panera's classic chicken and wild rice soup features a rich, creamy broth, tender chicken, and a hearty low-carb rice alternative - without using cauliflower. Using a rotisserie chicken to save time, make the perfect cozy, comforting meal in under 20 minutes.

Disclaimer: The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

If you’re missing Panera’s creamy chicken and wild rice soup but want a keto version without cauliflower rice, YOU MUST MAKE THIS RECIPE!! The broth has that same rich, comforting flavor that is perfect to soak up with my famous keto rolls. And if you make this soup with homemade bone broth, it’s even better.

Close up of creamy chicken and rice soup topped with chopped parsley.

Key features that make it keto

  • Keto rice – Instead of using wild rice, I use lupini rice – a high protein, low-carb alternative made from fiber-packed lupini beans. It cooks up just like traditional rice, blending seamlessly into the broth for a hearty, filling bite. Lupini rice is a far better alternative to rice than cauliflower which can change the flavor of the soup and isn’t the same texture as traditional white rice or wild rice.
  • Rotisserie chicken – To keep things easy, I used a rotisserie chicken, which not only saves time but also adds built-in flavor since it’s already seasoned. No need to spend extra time cooking and shredding chicken when you can grab one from the store and have dinner ready even faster! Plus, rotisserie chickens tend to be juicer than plain cooked chicken breast, giving the soup a richer taste.
  • Keto thickener – Instead of using all-purpose flour to thicken the soup, I add in a little bit of arrowroot powder. This is my go-to keto thickener since it has a greater thickening ability compared to flour so you don’t need to add too much of it, which keeps the carbs down.

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Ingredients

  • 1 rotisserie chicken (about 4 cups shredded, cooked chicken)
  • 1/2 cup salted butter (1 stick)
  • 1 cup diced yellow onion
  • 1 cup sliced carrot
  • 1 cup sliced celery
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon salt
  • 1/2 teaspoon dried oregano leaves
  • 1/2 teaspoon black pepper
  • 1 tablespoon arrowroot powder
  • 1 cup heavy cream
  • 4 cups chicken broth
  • 4 oz (1/2 package) lupini rice

Step by Step Instructions

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A bowl of chicken and rice soup topped with herbs and next to a bowl of fresh parsley.

Keto rice alternatives

Although the lupini rice is a staple in my pantry, it might not be accessible to everyone. I do purchase it from Amazon and Thrive Market, but I haven’t seen it readily available at my local grocery store yet.

Here are some alternatives to lupini rice you can try:

Storage information

Refrigerator storage

Let the keto soup cool completely before transferring to an airtight container. Store in the refrigerator for up to 4 days. 

Freezer storage

Allow the soup to cool fully before portioning into freezer-safe containers or bags. Leave a little space at the top for expansion. Freeze for up to 3 months. 

Reheating instructions

To reheat over the stovetop, heat over medium-low heat, stirring occasionally, until warmed through. Add more broth or water if needed.

To reheat in the microwave, heat at 30-second intervals, stirring in between, until hot.

Keto Chicken & Rice Soup: FAQS

What can I substitute arrowroot powder with?

Instead of arrowroot powder, you can use cornstarch to thicken the soup. Or use one egg yolk. Another option is to omit the thickener all together. The soup will have a thinner consistency, but will still be delicious.

How can I lower the carbs even more?

If this soup still has too many carbs for your needs, then try omitting the carrots and lowering the amount of diced onion in the soup. The arrowroot powder can be decreased or substituted with an egg yolk.

Nutritional information & Macros

Nutrition Information

Keto Chicken & Rice Soup

Servings: 6

Amount Per Serving
Calories 529
Fat 39.7g
Protein 30.7g
Total Carbs 14.9g
Net Carbs 8.3g

About Annie Lampella, Pharm.D.

Annie Lampella is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis and a Pharm.D., she has over 11 years of experience developing family-friendly keto recipes based on the science of human metabolism. She is the author of the Protein Packed cookbook, published by Victory Belt Publishing.

Learn more about Annie →

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1 Comment

  1. This soup had a great balance of flavors and the lupini rice was unexpectedly tasty and filling. I also appreciated how the arrowroot powder made the broth creamy without being too heavy. Definitely a comfort meal we’ll come back to.

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