Chicken Sausage and Fennel Soup is simple to make, but has outstanding flavor. It’s a quick and easy Paleo, Keto, and Whole30 soup recipe.

Sometimes it’s the little things that help brighten your day…like coming home to find find a cooler full of sausage on your doorstep.
The package came courtesy of First Fresh Foods, a local company in Gainsville, GA that specializes in producing top quality chicken sausage.

I’ve found their sausage to have a really great flavor and consistency.
I particularly like the seasoning blend used in their Italian style chicken sausage, and I thought it might pair up nicely with some fresh fennel to make for a quick and easy soup.
How to Make Chicken Sausage and Fennel Soup
Start by dicing up a large bulb of fennel.
The odd shape of a fennel bulb can be a little puzzling if you’ve never prepped one before.

First, hack off the green stems and fronds and peel of the outer layers of the fennel bulb. Cut it in half vertically, then notch out the core. Continue to slice and dice as you would an onion.
I decided to use some dino (lacinato) kale for some for added flavor and nutritional boost to the soup.
Separate the leaves from the stems and give both a rough chop.

Heat a tablespoon of olive oil in a large dutch oven over medium high heat.
Remove the sausage from its casing, then add it to the pot and sauté until it’s no longer pink, about 7-8 minutes.

Add diced onion, fennel, kale stems, and some sliced mushrooms. Sauté until the onions are translucent, about 5-6 minutes.

Add six cloves of chopped garlic and cook until fragrant, about 30 seconds.

Finally add a can of diced tomatoes, 6 cups of chicken stock, the chopped kale leaves, fresh thyme, sea salt, pepper and bay leaf.
Cover and simmer on low for 15-20 minutes, until the kale leaves are tender.

Ladle the soup into bowls and garnish with the fennel fronds. Enjoy!

More Soup Recipes!
Chicken Sausage and Fennel Soup
Ingredients
- 1 tablespoon olive oil
- 1 pound Italian style chicken sausage casings removed
- 1 large onion diced
- 1 large fennel bulb diced with fronds reserved
- 4 cups Lacinato kale leaves and stems separated and chopped
- 1 cup sliced baby bella mushrooms
- 6 cloves garlic minced
- 6 cups low sodium chicken stock
- 1 (14.5-ounce) can diced tomatoes
- 1 tablespoon fresh thyme
- 1 bay leaf
- sea salt and black pepper to taste
Instructions
- In a large dutch oven, heat the olive oil over medium high heat. Add the chicken sausage, and brown until it is no longer pink, about 7-8 minutes.
- Add the onion, fennel, kale stems, and sliced mushrooms. Sauté until the onions are translucent and tender, about 5-6 minutes.
- Add the garlic and cook until fragrant, about 30 seconds.
- Pour in the chicken stock and canned tomatoes, and add the chopped kale leaves. Season with the thyme, bay leaf, a large pinch of sea salt, and black pepper to taste. Bring to a low simmer, cover, and cook for 15-20 minutes.
- Remove the bay leaf, ladle the soup into bowls, and garnish with the fennel fronds. Enjoy!
The ingredient or equipment sections above may contain affiliate links to products that I personally use or recommend!
* I received complimentary samples in exchange for this post. All thoughts and opinions are my own.

Paula Frieders
Sunday 18th of December 2022
Omg this soup was sooooooo good! I added red potatoes and was still good but did not really add anything…. We are going to try white beans next time. I also topped off with a little Parmesan cheese paired with a Sangiovese. Can’t wait to make it again. Thank you!!
The Sophisticated Caveman
Wednesday 4th of January 2023
Yum! So glad you enjoyed, and the additions sound delish!
Morgan L.
Friday 11th of March 2022
This turned out SO good! I used Italian turkey sausage instead and replaced the diced tomatoes with carrots. Reduced the broth to about 5 cups and added 1 cup of extra creamy oat milk to give it a little extra richness. Will be making this again for sure, thank you!
The Sophisticated Caveman
Tuesday 15th of March 2022
Yum! Sounds great with the oat milk addition. Glad you enjoyed!
Kathy
Saturday 29th of May 2021
Brian! Oh My Lord! This is a delicious recipe. My mom is 84 and just had major surgery and is recovering. It's been difficult getting her to eat anything. This is one of the soups I've been making which she'll eat so I'm quite excited. The flavors blend together so well. I added beef bones to the soup and let it simmer an extra half hour or so to give her extra nutrients. Wonderful! Thanks for posting!
The Sophisticated Caveman
Thursday 3rd of June 2021
That's so great to hear, Kathy! Hope your mom's recovery goes well!!
Alex Y
Saturday 23rd of January 2021
Made it tonight and it was a hit. Reminds me of zuppa toscana so added a little heavy cream and was perfect. Thanks for posting!
The Sophisticated Caveman
Thursday 28th of January 2021
Yay!! Glad you enjoyed the soup!
Michelle
Tuesday 5th of May 2020
I’ve never cooked fennel and received it this week in a produce gift basket. This recipe is incredible! Thanks for the chopping tutorial. I used my sauté function on my InstaPot to sauté veggies. Put in frozen sausage, 30 min high pressure. I used the quick pressure release and put soup back on sauté after. Then, I chopped up the sausage, added back to pot. Finally, I added the kale, mushrooms and a package of potato gnocchi until cooked. Yum!