Mushroom Barley Soup

Featured in: Everyday Main Dishes

This satisfying bowl brings together the earthy depth of dried shiitakes and meaty white mushrooms with nutty pearl barley. The slow-simmered base builds layers of flavor from sautéed aromatics—onions, carrots, celery, and garlic—while dried thyme and parsley add classic herb notes. After an hour of gentle simmering, the barley becomes tender and the broth develops a naturally rich, thick consistency. Each serving offers substantial texture and warming comfort, especially when paired with dark rye bread for that authentic deli experience.

Updated on Wed, 28 Jan 2026 16:47:00 GMT
Mushroom Barley Soup simmering in a pot with steam, showcasing tender shiitakes and carrots in a rich broth. Served with rustic bread. Save to Pinterest
Mushroom Barley Soup simmering in a pot with steam, showcasing tender shiitakes and carrots in a rich broth. Served with rustic bread. | nexusfork.com

Last winter during that brutal cold snap, I found myself craving something that would warm me from the inside out. The wind was howling outside my kitchen window as I rummaged through my pantry and discovered a forgotten bag of pearl barley. My fingers still cold from the grocery run, I decided mushroom barley soup was exactly what the day called for. The earthy aroma that filled my kitchen as the dried shiitakes soaked brought back memories of the old neighborhood deli where I first fell in love with this humble soup.

I remember making this soup for my best friend who was recovering from a nasty flu. She called me the next day to say it was the first thing she could actually taste after days of congestion. We still joke that my mushroom barley soup has healing powers, though I suspect its just the comfort of something made with care. There was something so gratifying about watching her color return as she had a second bowl.

Ingredients

  • Dried shiitake mushrooms: These little powerhouses are the secret to the deeply savory broth, and saving the soaking liquid is like getting a free flavor boost.
  • Pearl barley: I once substituted quick barley in a pinch and regretted it immediately, as the texture was all wrong, so do take the time to find proper pearl barley.
  • Vegetable broth: I prefer low-sodium so I can control the salt level myself, especially since the mushrooms already add so much natural flavor.
  • Bay leaves: These unassuming little leaves work quietly in the background but remove them before serving or someone will get an unpleasant surprise.

Instructions

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Resurrect the dried mushrooms:
Pour boiling water over the shiitakes in a heatproof bowl and watch them transform from brittle to silky. After 20 minutes, retrieve these flavor bombs and strain that precious soaking liquid through a fine sieve.
Build your flavor base:
Get your olive oil shimmering in a large pot before adding the diced onion, carrots, and celery. The kitchen will start to smell like comfort as they soften and release their aromatics.
Add the mushroom medley:
Once the garlic has had its brief moment to become fragrant, tumble in both types of mushrooms and let them mingle. Youll notice they start to shrink and release their earthy juices.
The main event:
Now for the star of the show, add the pearl barley along with all the liquids and seasonings. This is where patience pays off as everything needs time to become acquainted.
The slow simmer:
Let the pot bubble away gently for nearly an hour, giving it the occasional stir as the barley plumps and softens. Your kitchen will smell like a cozy deli by now.
The finishing touches:
Fish out those bay leaves that have done their duty and taste for seasoning. A last-minute adjustment can make all the difference between good and great soup.
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| nexusfork.com

One particularly memorable evening, I served this soup at a casual dinner party that turned into a four-hour conversation around my kitchen table. The empty pot sat between us as we talked late into the night, and several friends asked for the recipe before leaving. Something about the simplicity and honesty of mushroom barley soup seems to create space for genuine connection, as if the warmth extends beyond just the physical comfort of the meal.

The Magic of Mushroom Varieties

While this recipe calls for shiitake and white mushrooms, Ive experimented with adding cremini, oyster, and even a few porcinis when I can find them. Each mushroom brings its own personality to the soup, with shiitakes providing that meaty umami base and the others adding nuanced earthy notes. One memorable batch included mushrooms my neighbor had foraged, though I wouldnt recommend that unless youre absolutely certain about identification.

Making It a Meal

Theres something about the pairing of this soup with a slice of seeded rye bread that feels historically correct, like generations of wisdom in a simple combination. I discovered this by accident when a friend brought over a loaf from a local bakery, and now I cant imagine serving the soup without it. The caraway seeds in the bread echo the earthy tones in the soup, creating a harmony that feels both rustic and sophisticated.

Storage and Freezing Tips

This soup is practically designed for meal prep, improving with time and freezing beautifully for up to three months. I learned this during a particularly busy period when I made a double batch and portioned it into containers for quick lunches. The barley does continue to absorb liquid, so the texture will change somewhat after freezing.

  • When refrigerating, cool the soup completely before transferring to airtight containers.
  • For freezing, leave about an inch of headspace in containers to allow for expansion.
  • Always thaw frozen soup overnight in the refrigerator for the best texture restoration.
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Hearty Mushroom Barley Soup in a rustic bowl, topped with fresh parsley and ground pepper for a cozy, comforting vegetarian meal. Save to Pinterest
Hearty Mushroom Barley Soup in a rustic bowl, topped with fresh parsley and ground pepper for a cozy, comforting vegetarian meal. | nexusfork.com

This mushroom barley soup has become my reliable companion through cold seasons and life transitions alike. Whenever the world feels a bit too sharp or too fast, this humble pot of goodness reminds me that sometimes the most profound comfort comes from the simplest ingredients.

Questions & Answers

Can I make this soup ahead of time?

Absolutely. This soup actually improves overnight as flavors meld. Store in the refrigerator for up to 4 days or freeze for 3 months. Add extra broth when reheating since the barley continues absorbing liquid.

What type of barley works best?

Pearl barley is ideal here—it cooks faster than hulled barley and becomes perfectly tender during the simmering time. Rinse it well before adding to remove excess starch.

Can I substitute the dried shiitakes?

Dried porcini mushrooms make an excellent alternative, offering similar earthy intensity. If unavailable, simply increase the fresh mushrooms to 12 ounces—the soup will still be delicious.

Why reserve the mushroom soaking liquid?

The soaking water becomes deeply flavored, capturing all the concentrated umami from the dried shiitakes. Straining removes any grit, leaving behind liquid that significantly enriches the broth.

How do I prevent the soup from becoming too thick?

Barley naturally thickens as it cooks. If you prefer a thinner consistency, simply add more broth or water during the final 10 minutes of cooking. The soup will continue thickening as it stands.

Mushroom Barley Soup

Hearty soup combining earthy mushrooms, tender barley, and aromatic vegetables in a rich broth.

Prep duration
20 minutes
Cook duration
70 minutes
Overall time
90 minutes
Recipe by Nexus Fork Wyatt Evans


Skill level Easy

Cuisine type American Deli

Portions 6 Number of servings

Diet preferences 100% Vegan, No dairy

Ingredient list

Mushrooms

01 1 ounce dried shiitake mushrooms
02 8 ounces white mushrooms, sliced

Grains

01 3/4 cup pearl barley, rinsed

Aromatics & Vegetables

01 2 tablespoons olive oil
02 1 medium onion, diced
03 2 medium carrots, diced
04 2 celery stalks, diced
05 3 garlic cloves, minced

Broth & Seasonings

01 8 cups low-sodium vegetable broth
02 2 bay leaves
03 1 teaspoon dried thyme
04 1 teaspoon dried parsley
05 Salt and freshly ground black pepper to taste

Garnish

01 2 tablespoons fresh parsley, chopped

Step-by-step guide

Step 01

Prepare dried mushrooms: Place dried shiitake mushrooms in a heatproof bowl and cover with 2 cups boiling water. Let soak for 20 minutes. Drain, reserving the soaking liquid, and slice the mushrooms. Strain the soaking liquid through a fine sieve or cheesecloth to remove grit.

Step 02

Sauté aromatic vegetables: In a large soup pot, heat olive oil over medium heat. Add diced onion, carrots, and celery; sauté for 5 minutes until softened.

Step 03

Cook garlic: Add minced garlic and cook for 1 minute until fragrant.

Step 04

Add mushrooms: Stir in fresh sliced mushrooms and soaked shiitake mushrooms. Cook for approximately 5 minutes until mushrooms begin to release their juices.

Step 05

Combine broth and grains: Add pearl barley, reserved mushroom soaking liquid, and vegetable broth. Stir in bay leaves, thyme, dried parsley, salt, and pepper.

Step 06

Simmer soup: Bring to a boil, then reduce heat to low. Cover and simmer for 50 to 60 minutes, stirring occasionally, until barley is tender.

Step 07

Finish and season: Remove bay leaves. Taste and adjust seasoning as needed.

Step 08

Serve: Ladle soup into bowls and garnish with fresh parsley if desired. Serve hot.

Equipment you'll need

  • Large soup pot
  • Heatproof bowl
  • Fine-mesh sieve or cheesecloth
  • Ladle
  • Cutting board and knife

Allergy notes

Look at every ingredient for allergens and get help from a medical expert if unsure.
  • Contains gluten from barley
  • Check store-bought broth labels for potential allergens

Nutrition details (per serving)

For informational purposes only. Always check with your healthcare provider.
  • Calorie count: 175
  • Total fat: 4 g
  • Carbohydrates: 32 g
  • Proteins: 5 g