Mushroom and Barley Soup

Featured in: Hearty Comfort Dinners

This satisfying one-pot soup combines tender mushrooms, aromatic vegetables, and chewy pearl barley in a flavorful vegetable broth. The dried thyme and oregano add Mediterranean warmth, while the barley creates a naturally thick and hearty texture. Ready in just over an hour, this nourishing bowl tastes even better the next day as flavors continue to develop.

Updated on Wed, 21 Jan 2026 15:06:00 GMT
A warm bowl of mushroom and barley soup, garnished with fresh parsley and a lemon wedge, sits beside a rustic wooden spoon. Save
A warm bowl of mushroom and barley soup, garnished with fresh parsley and a lemon wedge, sits beside a rustic wooden spoon. | smokyfeast.com

My apartment smelled like a forest after rainfall the first time I made this soup. The mushrooms hit the hot oil and filled the entire kitchen with this incredible earthy perfume that made me actually pause what I was doing and inhale deeply. I was recipe testing on a gray Sunday and ended up eating two bowls standing at the counter because I could not wait to sit down properly. That is how I knew this was going to be a keeper.

I served this to my sister when she was recovering from a bad cold and she actually asked for the recipe before she even finished her first bowl. Something about the combination of those aromatic herbs and the rich broth just hits different when you need comfort. Now she texts me every time she makes it to tell me the house smells amazing again.

Ingredients

  • Olive oil: A good quality extra virgin makes a noticeable difference here
  • Onion: Finely chopped so it melts into the soup rather than staying in distinct pieces
  • Garlic: Fresh minced garlic gives you that aromatic base that builds depth
  • Carrots: They add natural sweetness that balances the earthy mushrooms
  • Celery: Dice these small so they cook evenly and disappear into the background
  • Mushrooms: Cremini have more flavor than button mushrooms but either works beautifully
  • Dried thyme and oregano: These dried herbs actually work better than fresh here since they bloom in the hot oil
  • Pearl barley: Rinse it well until the water runs clear to remove excess starch
  • Vegetable broth: Use a good quality broth you actually enjoy drinking on its own
  • Bay leaf: Just one is enough to add that subtle aromatic layer
  • Salt and pepper: Season at the end since broth brands vary wildly in saltiness
  • Fresh parsley: Adds a bright pop of color and fresh flavor at the end
  • Lemon juice: This tiny amount wakes up all the other flavors

Instructions

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Start your aromatic base:
Heat the olive oil in a large pot over medium heat then add the onion cooking for about 3 minutes until it turns translucent and sweet.
Build the flavor foundation:
Stir in the garlic carrots and celery then cook for 5 minutes stirring occasionally until the vegetables begin to soften and smell amazing.
Get the mushrooms going:
Add the mushrooms and cook for 6 to 8 minutes watching them release their moisture and start to brown nicely.
Add the herbs:
Sprinkle in the thyme and oregano stirring constantly for about 30 seconds until the herbs become fragrant.
Add everything else:
Pour in the rinsed pearl barley vegetable broth and bay leaf then stir to combine everything thoroughly.
Let it simmer:
Bring to a boil then reduce heat to low and simmer uncovered for 35 to 40 minutes until the barley is tender and the soup has thickened slightly.
Finish it perfectly:
Remove the bay leaf then season with salt pepper and lemon juice if using before ladling into bowls and garnishing with parsley.
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Ideal for slow-simmered sauces, braised vegetables, baked dips, and cozy one-pot meals with even heat.
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Mushroom and barley soup simmering in a large pot, featuring tender mushrooms, carrots, and celery with aromatic herbs. Save
Mushroom and barley soup simmering in a large pot, featuring tender mushrooms, carrots, and celery with aromatic herbs. | smokyfeast.com

This has become my default soup when someone needs bringing down from a ledge or just warming up after a long day. There is something about the combination of earthy mushrooms and satisfying barley that feels like a proper hug in a bowl.

Making It Yours

I have added diced potatoes and chopped kale during the last 15 minutes of cooking when I wanted something more substantial. The potatoes break down slightly and thicken the broth while the kale adds beautiful color and nutrition.

Building Umami

Adding one tablespoon of soy sauce with the broth was a happy accident that completely transformed the depth of flavor. It does not make the soup taste Asian at all just more savory and complex.

The Magic of Time

This soup genuinely tastes better on day two when all the flavors have had time to really get to know each other. I always make a double batch now because the overnight transformation is remarkable.

  • Let the soup cool completely before refrigerating
  • Store in an airtight container for up to four days
  • Reheat gently adding a splash of broth or water to loosen
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Hearty mushroom and barley soup served in a ceramic bowl, showcasing chewy barley and savory mushrooms in a rich broth. Save
Hearty mushroom and barley soup served in a ceramic bowl, showcasing chewy barley and savory mushrooms in a rich broth. | smokyfeast.com

Every spoonful feels like something that has been cooked with love and patience even though it comes together in barely an hour. That is the kind of recipe I always want in my back pocket.

Kitchen Questions

Is pearl barley gluten-free?

No, pearl barley contains gluten. For a gluten-free alternative, substitute with quinoa, rice, or buckwheat, and ensure your vegetable broth is certified gluten-free.

Can I make this soup in advance?

Absolutely. This soup actually improves overnight as the barley absorbs more flavor and the broth thickens. Store in the refrigerator for up to 4 days and reheat gently, adding more broth if needed.

What type of mushrooms work best?

Cremini or button mushrooms are recommended for their earthy flavor and meaty texture. You can also use shiitake for extra umami or a mix of wild mushrooms for deeper flavor complexity.

How do I store leftovers?

Cool completely and transfer to an airtight container. Refrigerate for up to 4 days or freeze for up to 3 months. Note that barley will continue absorbing liquid, so add more broth when reheating.

Can I add protein to this soup?

Yes. Stir in canned white beans during the last 15 minutes, or top with shredded chicken or crumbled sausage. For vegetarian protein, add cubed tofu or extra beans.

Why is my soup too thick?

Pearl barley naturally releases starch and absorbs liquid as it cooks, creating a thick consistency. Simply add more vegetable broth or water until you reach your desired texture.

Mushroom and Barley Soup

Earthy, comforting soup with tender mushrooms and chewy pearl barley, perfect for chilly days and gut-nourishing meals.

Prep duration
15 min
Heat time
45 min
Complete duration
60 min
Created by Jackson Reed


Skill Level Easy

Heritage European

Output 4 Portions

Nutrition Labels Meat-Free, No Dairy

What You'll Need

Vegetables

01 2 tablespoons olive oil
02 1 medium onion, finely chopped
03 2 cloves garlic, minced
04 2 medium carrots, diced
05 2 celery stalks, diced
06 14 oz mushrooms, sliced (cremini or button recommended)
07 1 teaspoon dried thyme
08 1 teaspoon dried oregano

Grains & Liquids

01 2/3 cup pearl barley, rinsed
02 6 cups vegetable broth
03 1 bay leaf

Seasoning & Garnish

01 Salt and freshly ground black pepper, to taste
02 2 tablespoons fresh parsley, chopped (optional)
03 1 tablespoon lemon juice (optional, for brightness)

Method

Phase 01

Sauté the Aromatics: Heat the olive oil in a large pot over medium heat. Add the onion and cook for 3 minutes until translucent.

Phase 02

Cook the Base Vegetables: Stir in the garlic, carrots, and celery. Cook for 5 minutes, stirring occasionally, until vegetables begin to soften.

Phase 03

Brown the Mushrooms: Add the mushrooms and cook for 6-8 minutes, until they release their moisture and begin to brown.

Phase 04

Add the Herbs: Sprinkle in the thyme and oregano, stirring to coat the vegetables.

Phase 05

Combine with Barley and Broth: Add the rinsed pearl barley, vegetable broth, and bay leaf. Stir to combine.

Phase 06

Simmer the Soup: Bring to a boil, then reduce heat to low and simmer uncovered for 35-40 minutes, or until barley is tender and soup has thickened slightly.

Phase 07

Season and Finish: Remove bay leaf. Season to taste with salt, pepper, and lemon juice if using.

Phase 08

Serve: Ladle into bowls and garnish with fresh parsley.

Kitchen Tools

  • Large soup pot
  • Chopping board
  • Sharp knife
  • Wooden spoon
  • Ladle

Allergy Details

Always review ingredients for potential allergens and seek professional medical guidance if unsure.
  • Pearl barley contains gluten. Always check that your vegetable broth is gluten-free if required.

Nutrition Details (per portion)

Values shown are estimates only - please consult healthcare providers for specific advice.
  • Energy: 210
  • Fats: 6 g
  • Carbohydrates: 36 g
  • Proteins: 6 g