Mushroom Barley Soup

Featured in: Comfort Food Classics

This robust soup brings together the earthy depth of dried shiitake mushrooms and meaty fresh white mushrooms with chewy pearl barley. The aromatic base of onions, carrots, and celery builds flavor, while thyme and parsley add classic herb notes. After simmering for an hour, the barley becomes tender and the broth develops a wonderfully rich consistency.

Updated on Wed, 28 Jan 2026 12:05:00 GMT
A steaming bowl of hearty Mushroom Barley Soup showcases tender sliced white mushrooms and chewy pearl barley swimming in a rich, savory broth. Save
A steaming bowl of hearty Mushroom Barley Soup showcases tender sliced white mushrooms and chewy pearl barley swimming in a rich, savory broth. | sweetbaghrir.com

The first spoonful of my mushroom barley soup always seems to silence a busy kitchen. There's something magical about the way the earthiness of shiitakes mingles with the nutty barley, creating a warm hug in a bowl. I stumbled upon this recipe during a particularly cold February when my farmers market had little more than root vegetables and dried mushrooms. What began as kitchen improvisation has become the soup my friends specifically request when they need comfort.

Last winter, when my neighbor was recovering from surgery, I brought over a container of this soup with thick slices of rye bread. She called me the next morning to say she'd dreamt about the soup all night. Something about the combination of chewy barley and tender mushrooms seems to ground people, to remind them of simpler times even if they've never had this particular soup before. Now I keep containers of it frozen, ready for anyone who might need that particular brand of comfort.

Ingredients

  • Dried shiitake mushrooms: These might seem expensive, but they create the rich backbone of the entire soup, infusing the broth with an intensity fresh mushrooms alone could never achieve.
  • Pearl barley: Don't substitute quick barley here, as the longer cooking time allows regular pearl barley to release its starch, naturally thickening the soup to a perfect consistency.
  • Vegetable broth: I've found that even basic store-bought broth works well because the mushroom soaking liquid adds so much flavor, but homemade is always a bonus if you have it.
  • Bay leaves: They might seem like an insignificant addition, but that subtle background note they provide ties all the earthy elements together.

Instructions

Product image
Transfer liquids, oils, and dry ingredients cleanly into bottles and jars while cooking or baking.
Check price on Amazon
Wake up your mushrooms:
Pour boiling water over the dried shiitakes in a heatproof bowl and let them soak for 20 minutes until they're plump and rehydrated. This mushroom-infused liquid is liquid gold, so strain it carefully through a fine sieve to catch any grit.
Build your flavor base:
Sauté the onion, carrots, and celery in olive oil until they begin to soften and become fragrant. The kitchen should start smelling like the beginning of something wonderful.
Add the mushroom magic:
Once the garlic has had a minute to release its aroma, add both types of mushrooms and let them cook until they begin to release their moisture. You'll notice they'll shrink down considerably as they give up their juices.
Combine and simmer:
Stir in the barley, reserved mushroom liquid, broth, and seasonings, then bring everything to a gentle boil before reducing to a simmer. This long, slow cook is what develops the soup's character.
Finish with care:
After about an hour, when the barley is tender but still has a pleasant chew, remove the bay leaves and adjust the seasoning. Sometimes I find it needs an extra pinch of salt to make all the flavors pop.
Product image
Transfer liquids, oils, and dry ingredients cleanly into bottles and jars while cooking or baking.
Check price on Amazon
Comforting Mushroom Barley Soup in a rustic bowl, garnished with fresh parsley and ready to serve with crusty rye bread for dipping. Save
Comforting Mushroom Barley Soup in a rustic bowl, garnished with fresh parsley and ready to serve with crusty rye bread for dipping. | sweetbaghrir.com

My daughter used to pick around barley in soups when she was younger, carefully spooning out just the vegetables. One evening, after a particularly difficult day at school, she quietly ate a whole bowl of this mushroom barley soup without complaint, and asked for seconds. Sometimes food becomes more than sustenance, it becomes the bridge we need when words fail us. Now whenever she's home from college, this soup is the first thing she requests.

The Mushroom Method

I've learned over the years that cooking mushrooms is all about patience and space. Crowding them in the pot causes them to steam rather than sauté, robbing you of that caramelized depth. Take the time to cook them in batches if your pot isn't large enough, and you'll be rewarded with mushrooms that have developed their full flavor potential instead of just softening in their own liquid.

Barley Benefits

Pearl barley might not be as trendy as quinoa or farro, but it brings a distinctive chewy texture and subtle nuttiness that stands up beautifully to the robust mushroom flavors. It also thickens the soup naturally as it cooks, creating that perfect consistency that clings just slightly to your spoon. For those watching their nutrition, barley adds a healthy dose of fiber that makes this soup surprisingly filling despite being relatively light.

Making It Your Own

While this recipe has a timeless quality as written, it also serves as a wonderful template for seasonal adaptations. In spring, I've been known to add fresh peas and a handful of chopped dill in the last few minutes of cooking, while autumn might call for a diced butternut squash added with the other vegetables.

  • For a protein boost, add a can of drained white beans or some shredded rotisserie chicken in the last 10 minutes of cooking.
  • A splash of dry sherry added just before serving brings a surprising sophistication that complements the earthiness of the mushrooms beautifully.
  • If you happen to have fresh thyme or rosemary on hand, a small sprig added during simmering then removed before serving adds another dimension of flavor.
Product image
Keeps sponges and brushes organized beside the sink, making dishwashing and post-cooking cleanup faster and neater.
Check price on Amazon
Close-up of Mushroom Barley Soup reveals diced carrots and celery in a thick, herb-infused broth with shiitake mushrooms for robust umami flavor. Save
Close-up of Mushroom Barley Soup reveals diced carrots and celery in a thick, herb-infused broth with shiitake mushrooms for robust umami flavor. | sweetbaghrir.com

This soup reminds us that comfort doesn't have to be complicated. With each spoonful offering a perfect balance of earthy mushrooms and tender barley, it's the kind of recipe that becomes a trusted friend in your kitchen repertoire.

Recipe FAQs

Can I make this soup in advance?

Absolutely. This actually tastes better the next day as flavors meld. Store in the refrigerator for up to 4 days.

Can I freeze this soup?

Yes, freeze for up to 3 months. Note that barley will continue softening when reheated.

What can I substitute for pearl barley?

Try farro, wheat berries, or brown rice. Adjust cooking time as needed.

How do I prevent the soup from getting too thick?

Barley absorbs liquid as it sits. Simply add more broth or water when reheating to reach desired consistency.

Can I use other mushroom varieties?

Certainly. Cremini, portobello, or wild mushrooms work beautifully. Mix varieties for deeper flavor.

Mushroom Barley Soup

Hearty soup combining dried shiitake and fresh mushrooms with nutty barley in a rich, savory broth.

Prep Time
20 min
Time to Cook
70 min
Overall Time
90 min
Recipe by Ella Matthews


Skill Level Easy

Cuisine Type American Deli

Makes 6 Portions

Diet Info Plant-Based, No Dairy

What You'll Need

Mushrooms

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

Grains

01 3/4 cup pearl barley, rinsed

Aromatics and 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 and 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

Steps

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, then drain while reserving the soaking liquid. Slice the rehydrated mushrooms and strain the soaking liquid through a fine-mesh sieve to remove sediment.

Step 02

Sauté Aromatics: Heat olive oil in a large soup pot over medium heat. Add diced onion, carrots, and celery; cook for 5 minutes until softened and translucent.

Step 03

Bloom Garlic: Add minced garlic to the pot and cook for 1 minute until fragrant, stirring constantly to prevent browning.

Step 04

Cook Fresh Mushrooms: Stir in fresh sliced mushrooms and the prepared shiitake mushrooms. Cook for approximately 5 minutes until the mushrooms release their moisture and begin to darken slightly.

Step 05

Build Soup Base: Add pearl barley, reserved mushroom soaking liquid, and vegetable broth to the pot. Stir in bay leaves, dried thyme, dried parsley, salt, and black pepper. Mix well to combine all ingredients.

Step 06

Simmer Soup: Bring the soup to a boil over high heat, then reduce heat to low and cover. Simmer for 50 to 60 minutes, stirring occasionally, until the barley becomes tender and fully cooked.

Step 07

Finish Soup: Remove the bay leaves from the pot. Taste the soup and adjust seasoning with additional salt and pepper as needed.

Step 08

Serve: Ladle soup into bowls and top with fresh chopped parsley. Serve hot and enjoy with rye bread for an authentic deli-style experience.

Tools Needed

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

Allergy Warnings

Always look at each ingredient to identify any allergens. If you're unsure, talk to a healthcare professional.
  • Contains gluten from barley
  • Verify store-bought broth labels for potential allergens and cross-contamination

Nutrition Info (each serving)

This data is for informational use. It's not a substitute for guidance from a medical expert.
  • Energy: 175
  • Lipids: 4 g
  • Carbohydrates: 32 g
  • Proteins: 5 g