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Fall, Recipes, Salads + Soups, Special Diets, Vegetarian, Winter
December 17, 2024

Leek & Mushroom Stuffing Soup

5 | 15 reviews

All I want in life is to have an excuse to eat stuffing all year long. I mean, why are we not?? Is it because bread is not considered a food group?

Prep Time 20 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr 5 minutes mins
Course Appetizer, Main Course, Soup
Cuisine American, Fusion
Jump to Recipe
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All I want in life is to have an excuse to eat stuffing all year long. I mean, why are we not?? Is it because bread is not considered a food group? Because I would like to disagree. And in my disagreement, I developed this soup that tastes JUST like a Leek and Mushroom Stuffing, but has all the elements you need to call it a full meal. A ton of vegetables? Check. Enough vegetarian protein to sustain you? Check. More flavor than you can count, plus ingredients that will make you feel like you’re all cozy by a holiday fire? CHECK.

This soup has it all, it just wants you to come make it this holiday season!

PS, cover it in croutons. You won’t regret it!

Leek & Mushroom Stuffing Soup

5 | 15 reviews
This vegetable-filled soup tastes exactly like a wild mushroom stuffing, but a stuffing you can eat all season long! Which is exactly what I thought we should always be doing, by the way. It's a crime stuffing isn't a more popular year-round food. Here you can get all the flavors of mushroom leek stuffing, but filled with all the nutrition you need for a full meal. It's a favorite dinner of mine, full stop.
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Prep Time 20 minutes mins
Cook Time 45 minutes mins
Total Time 1 hour hr 5 minutes mins
Servings: 6 servings
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Equipment

  • 1 chef's knife
  • 1 microplane or rasp-style grater
  • 1 large stock pot

Ingredients

  • 3/4 pound of button mushrooms, or any mushroom of choice
  • 1/2 pound of celery
  • 1 1/2 pounds of leeks, green tops removed
  • 1 pound of fennel , fronds and stalks removed
  • 1/3 cup fresh rosemary
  • 1/4 cup fresh sage leaves
  • 3 garlic cloves
  • 1/4 cup salted butter
  • 1/4 cup extra-virgin olive oil
  • 1/4 cup all-purpose flour
  • Diamond Crystal kosher salt
  • Freshly ground black pepper
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon red pepper flakes
  • 8 cups water
  • 2 tablespoons Better Than Bouillon vegetable base
  • 2 14-ounce cans of white beans
  • 1/3 cup heavy cream
  • 1/3 cup fresh parsley
  • 1/4 cup fresh oregano
  • 1 lemon for juicing
Optional, for serving
  • 6 large slices of sourdough bread, torn

Instructions 

  1. First, begin your mise en place. Clean and stem the mushrooms. Dice them and set them aside. Thinly slice the celery, leek, and fennel and set aside. Finely chop the rosemary and sage leaves. Grate the garlic with a rasp-style grater.
  2. Set a large stock pot or Dutch oven over medium heat. Add 1/4 cup of salted butter and 1/4 cup of olive oil. Let the butter fully melt, then add 1/4 cup of all purpose flour and mix it into the fat. Toast for 1-2 minutes.
  3. Add the mushrooms and cook for 5 minutes or until they are a shade darker in color. You will see them immediately soak up the fat in the pot, and then release it a few minutes later.
  4. When the fat is starting to sizzle around the mushrooms again, add the rosemary, sage and garlic and stir for only a minute. Then add the sliced celery, leeks and fennel. Cook for 10-15 minutes, letting the vegetables sweat out and reduce in size by half.
  5. Season with salt, pepper and the 1 teaspoon of smoked paprika and 1/2 teaspoon of red pepper flakes. Stir to combine.
  6. Whisk together eight cups of water and two tablespoons of Better than Bouillon vegetable base. Add this to the pot.
  7. Cover and let this simmer for 30 minutes. Taste and season with salt and pepper as preferred.
  8. Drain and rinse your two cans of beans and add them to the pot. Add 1/3 cup of cream. Cover and let this simmer for another 5 minutes.
  9. While the soup is simmering, finely chop the parsley and oregano.
  10. Taste the soup again and season to taste, then add the parsley, oregano and juice from half a lemon. Remove the soup from the heat but keep it covered until you are ready to serve!
  11. Optional before serving: tear up six sourdough bread slices into large croutons. Add them to a baking sheet and bake for 15-20 minutes at 350°F until golden. When serving, cover each bowl of soup with the croutons.

Hey! I’m Justine

A recipe developer, highly dedicated eater, and bread enthusiast with an archive of both savory and sweet.

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Comments

  1. Alexa Avatar
    Alexa
    12/17/2024
    Reply

    Does this freeze/thaw well?

    Reply
    1. Justine Avatar
      Justine
      12/17/2024
      Reply

      Absolutely! It’s great for freezing. It can keep for up to four months, and I suggest freezing in individual portions 🙂

      Reply
  2. Laurel Cameron Avatar
    Laurel Cameron
    12/18/2024
    Reply

    What would you recommend in place of fennel for some who has an allergy (to liking fennel)?

    Reply
    1. Justine Avatar
      Justine
      12/18/2024
      Reply

      Even if you don’t like fennel I really recommend trying it in this recipe if you can! It doesn’t taste fennel-y, it more just rounds out the stuffing flavor of the soup. However if you are allergic, an onion is a more muted, but totally fine sub!

      Reply
  3. Becca Avatar
    Becca
    12/19/2024
    Reply

    5 stars
    I had fennel and slightly stale sourdough on hand, so this was a no-brainer. Holy cow, but this was delicious!! My 16 yr old was on his way out to eat w friends, but stopped at the pot of soup and dipped croutons after croutons into it, then begged me to save him a huge bowl. I used chicken broth instead of veggie and added celery also. The croutons and a thick grating of Gruyère are non-negotiable for this one! I LOVED this soup!

    Reply
    1. Justine Avatar
      Justine
      12/20/2024
      Reply

      So so SO happy you liked it!

      Reply
  4. Ari Avatar
    Ari
    12/20/2024
    Reply

    5 stars
    I have a bit of a winter cold and this soup is exactly what I needed. It’s as cozy as a giant hug but has the vegetable density of a giant salad. I sprinkled grated cheese on top of the croutons and stuck that under the broiler for a minute and was delighted.

    Reply
    1. Justine Avatar
      Justine
      12/20/2024
      Reply

      I’m so so thrilled you liked it, please feel better and thank you for taking the time to leave such a kind review!

      Reply
  5. Holly K Avatar
    Holly K
    12/22/2024
    Reply

    5 stars
    This soup is amazing! Followed the recipe as written and will definitely be making it again. Really flavorful and easy to make.

    Reply
    1. Justine Avatar
      Justine
      12/23/2024
      Reply

      So so SO glad you liked it!

      Reply
  6. Shan Avatar
    Shan
    12/23/2024
    Reply

    5 stars
    This soup is so incredible.
    I do not like beans, so I browned some sausage (just like for stuffing!) and used the rendered fat for the roux, adding the sausage back in when the beans are added.
    I used a leftover multigrain sourdough for croutons and sliced provolone (it’s what I had) and this is so hearty and herbal, I really am obsessed.

    Reply
    1. Justine Avatar
      Justine
      12/23/2024
      Reply

      I am so SO glad you like it. This comment made my day!

      Reply
  7. Zoe Scott Avatar
    Zoe Scott
    12/23/2024
    Reply

    5 stars
    You have single-handedly turned my husband into a fennel-obsessed soup-loving freak with your soups!! He was never really a soup person before, but now we have had at a minimum one soup on hand all winter long and it has been so wonderful. This is a great add to the rotation when looking for something slightly more involved (lots of chopping) but with a ton of reward! Croutons and cheese non-negotiable, personally.

    Reply
  8. Krista Avatar
    Krista
    12/23/2024
    Reply

    Do you weigh the fennel and leeks with the greens on or after you cut them off?
    We really enjoyed the flavor. It did take me a long time to chop everything. I have been sharing your recipes with my friends!
    Thanks

    Reply
    1. Justine Avatar
      Justine
      12/23/2024
      Reply

      I weigh them before! It’s just a good benchmark to know how much to buy at the market/store. So glad you liked the recipe!

      Reply
  9. Nick Avatar
    Nick
    12/23/2024
    Reply

    5 stars
    Delicious. Love stuffing. Love soup. Making this was a no-brainer, and did not disappoint!

    Reply
  10. Linda Avatar
    Linda
    12/27/2024
    Reply

    5 stars
    You came up on my YouTube shorts with this video and I had to look it up. Made exactly as instructed and it was everything I dreamed it would be. Thank you for this!
    Your new sub!
    Linda

    Reply
  11. Danielle Avatar
    Danielle
    12/27/2024
    Reply

    5 stars
    I am a soup gal and this is definitely going in my Top 10 favorite soups and will be on regular rotation. It is so comforting and flavorful. I left out the fennel only because I couldn’t find any and it was still amazing. 1000/10.

    Reply
    1. Justine Avatar
      Justine
      12/27/2024
      Reply

      So so thrilled you liked it! And glad to know it works without the fennel as well!

      Reply
  12. Jackie Avatar
    Jackie
    12/28/2024
    Reply

    5 stars
    This is the best soup I’ve ever made and ever even had! Thank you so much!

    Reply
    1. Justine Avatar
      Justine
      1/1/2025
      Reply

      Wow this is high praise! Thank you so much and happy New Year!

      Reply
  13. Mikayla Mehle Avatar
    Mikayla Mehle
    12/31/2024
    Reply

    5 stars
    Thanks for another great recipe! Delicious.

    Reply
  14. Ella Avatar
    Ella
    1/3/2025
    Reply

    5 stars
    absolutely loved it. I replaced the beans with barley, cause i don’t like beans, and it was great! I was kind of surprised i liked it so much cause i don’t normally like soups, but think it was because it had just the right amount of solids in it.

    Reply
    1. Justine Avatar
      Justine
      1/3/2025
      Reply

      So happy you liked it!!

      Reply
  15. Mandy Avatar
    Mandy
    1/5/2025
    Reply

    5 stars
    Made it today and it was awesome! We only used one can of beans and it still turned out amazing.

    Reply
    1. Kat Avatar
      Kat
      1/13/2025
      Reply

      5 stars
      I’m so sick, and this was so good. Thanks for making this cold suck a little less with this bowl of cozy healing.

      Reply
  16. Katie P Avatar
    Katie P
    1/6/2025
    Reply

    5 stars
    Now this is what I think of when I say I want vegetable soup. Stuffing is my most favourite dish at Christmas and this hit all the right notes. I sadly had no cheese to top it with but it will be added every time now. I had it for lunch and dinner the next day!

    Reply
    1. Justine Avatar
      Justine
      1/6/2025
      Reply

      I’m so happy you liked it!

      Reply
  17. ranch Avatar
    ranch
    1/10/2025
    Reply

    5 stars
    i made this for my parents tonight and they loved it! i ordered your cookbook earlier this week and it should be here by monday, and i’m so excited to cook my way through the rest of your recipes. 🙂

    for this recipe, the prep took me way longer than 20 minutes, but i don’t have the best knife skills. otherwise, it was such a great weeknight dinner. i’ll just brush up my chopping skills before making it again ❤️

    Reply
  18. Gabrielle Jaquemet Avatar
    Gabrielle Jaquemet
    3/2/2026
    Reply

    What can I replace the cream with to make it dairy free?

    Reply
    1. Justine Snacks Admin Team Avatar
      Justine Snacks Admin Team
      3/2/2026
      Reply

      I’d recommend either full-fat unsweetened coconut milk, a homemade cashew cream (soaked cashews blended into water at a 1:1 ratio), or a vegan heavy cream – I believe the ones from Silk and Califia Farms are widely available. Please let me know if you end up making it and how it turns out! 🙂

      Reply

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Hey! I’m Justine

A recipe developer, highly dedicated eater, and bread enthusiast with an archive of both savory and sweet.

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