Lemon Chicken Soup (also known as avgolemono) is super easy to make and crazy delicious. We make it with cauliflower rice to keep it low carb and paleo and for a healthy boost of veggies.

A blue bowl filled with lemon chicken soup with a spoon in it.

Are you ready to meet your new favorite chicken soup recipe? Each bite is a little bit creamy and has a delicious subtle lemon flavor. It's been on heavy repeat here this month.

We make a lot of soups during the winter. They're always easy to make and adapt to what's available in your fridge. And they're warm, which is an important consideration when it's freezing cold outside.

This Greek lemon soup is perfect for winter AND for welcoming in spring with its bright flavors. If you love lemon, this soup is for you!

Why you want to make this lemon chicken soup

  • I've used my old trick of making soup with bone-in chicken which creates a homemade chicken stock as the soup cooks. Read: so much flavor!
  • The other trick is a funny one, but it works so well. To thicken the soup we use eggs. They create the most luscious and subtle creaminess PLUS they add lots of healthy protein to the soup.
  • Just the right amount of lemon. This is not a lip-puckering lemon soup but rather a bright burst of fresh lemon flavor.
  • It's a paleo + gluten-free + dairy-free + grain-free lemon chicken soup. I use cauliflower rice to make this a healthy and full of veggies version. If that wouldn't fly with the people at your dinner table, you can always add the rice on the side. IE: cauliflower rice in some bowls and regular rice in other bowls. It's an easy compromise.
  • Made in your Instant Pot! Or not! The recipe calls for a pressure cooker, but I've shared the stovetop directions in the blog post.

A ladle full of lemon chicken soup coming out of the Instant Pot.

How to make Greek Lemon Chicken Soup

This soup (like most soup recipes) is easy to make. In only 5 little steps, you'll have made dinner.

  1. Saute the veggies in a large pot or an Instant Pot. I'm looking at you carrots, onion, and celery!
  2. Add the chicken and chicken broth.
  3. Steam some cauliflower rice. Or make a pot of regular rice. Or cook some orzo pasta. Your choice!
  4. Whisk some lemon juice with the eggs then slowly add a little of the hot soup. This step makes sure the eggs become creamy instead of scrambled.
  5. Now to finish the soup you shred the chicken and add the whisked eggs, cauliflower rice, and spinach.

That's it! This lemon chicken soup recipe is so easy!

A close up shot of a spoonful of lemon chicken soup.

How to make this recipe on your stovetop

If you don't have a pressure cooker, you can still make this recipe. The only difference is that it will take a little longer. (But not that much.)

After you add the chicken and broth to the pot, you'll want to bring it to a boil. Then reduce the heat, cover the pot, and let the soup simmer for 30 minutes.

That's the only change you need to make!

How to temper the eggs

This is an important step. If you pour the eggs directly into the soup, you will end up with stringy bits of scrambled eggs. (Think of when you add an egg to ramen noodles.) For this recipe, we want the eggs to make the soup creamy.

To make sure they don't scramble, we want to warm them up before adding them to the soup. To do that, you'll want to SLOWLY pour about a cup of the hot soup into the whisked eggs while whisking at the same time. Sometimes I'm extra cautious and add 2 cups of hot soup, but that's probably overdoing it.

Once the eggs are nice and warm you can pour them into the soup without worrying about them scrambling.

A bowl of lemon chicken soup.

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A blue bowl filled with lemon chicken soup with a spoon in it.

Lemon Chicken Soup (Instant Pot)

  • Author: Kristen Stevens
  • Prep Time: 20 mins
  • Cook Time: 20 mins
  • Total Time: 40 minutes
  • Yield: 4 servings 1x
  • Category: Soup
  • Cuisine: Greek

Description

Lemon Chicken Soup (also known as avgolemono) is super easy to make and crazy delicious. We make it with cauliflower rice to keep it low carb and paleo and for a healthy boost of veggies.


Scale

Ingredients

  • 2 teaspoons olive oil
  • 4 medium carrots, diced
  • 4 celery sticks, diced
  • 1/2 medium onion, diced
  • 4 garlic cloves, minced
  • 1/2 teaspoon chili flakes
  • 6 bone in chicken thighs
  • 6 cups chicken stock
  • 1 head of cauliflower, riced (about 3 cups)
  • 3 large eggs
  • 1/2 cup lemon juice
  • Sea salt and pepper, to taste
  • 2 ounces spinach

Instructions

  1. Turn your Instant Pot to Saute. Add the oil to the pot and add the carrots, celery, and onion and saute for 3 minutes. Add the garlic and chili flakes and cook for 1 more minute.
  2. Add the chicken thighs and stock to the pot. Seal the lid, turn it to Soup Mode and set the timer for 10 minutes. When the timer goes off, turn the release valve and wait until the pressure is released before opening the pot.
  3. While the soup is cooking, add the riced cauliflower to a pan over medium-high heat and add 1/4 cup of water. Steam until the cauliflower is soft.
  4. Remove the chicken thighs from the pot and shred them using 2 forks. Discard the bones.
  5. Whisk the eggs with the lemon juice. Slowly whisk 1 cup of the hot soup into the eggs then pour the eggs into the pot. Season to taste with sea salt and pepper.
  6. Return the chicken to the pot, add the cauliflower rice and the spinach, and stir.