Mushroom and Barley Soup

Featured in: Kitchen Routine Meals

This comforting bowl brings together earthy mushrooms and chewy pearl barley in a rich vegetable broth. The combination of tender vegetables, aromatic thyme and oregano, and optional brightness from fresh lemon creates a deeply satisfying meal. Perfect for cold weather, this soup develops even deeper flavors overnight, making it excellent for meal prep.

Updated on Mon, 26 Jan 2026 03:56:50 GMT
A bowl of hearty mushroom and barley soup garnished with fresh parsley and a lemon wedge, steam rising gently.  Save
A bowl of hearty mushroom and barley soup garnished with fresh parsley and a lemon wedge, steam rising gently. | maisonflavors.com

When the temperature drops and a chill settles in the air, there is nothing quite as restorative as a bowl of Mushroom and Barley Soup. This earthy, comforting soup features tender mushrooms and chewy pearl barley, making it a perfect meal for nourishing your gut and warming you up on a chilly day.

A bowl of hearty mushroom and barley soup garnished with fresh parsley and a lemon wedge, steam rising gently.  Save
A bowl of hearty mushroom and barley soup garnished with fresh parsley and a lemon wedge, steam rising gently. | maisonflavors.com

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This European-inspired dish relies on simple, fresh ingredients like carrots, celery, and onions to create a fragrant base. As the mushrooms release their moisture and begin to brown, they create a rich, umami-filled broth that perfectly complements the hearty grains.

Ingredients

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  • 2 tbsp olive oil
  • 1 medium onion, finely chopped
  • 2 cloves garlic, minced
  • 2 medium carrots, diced
  • 2 celery stalks, diced
  • 400 g (about 14 oz) mushrooms, sliced (cremini or button recommended)
  • 1 tsp dried thyme
  • 1 tsp dried oregano
  • 120 g (2/3 cup) pearl barley, rinsed
  • 1.5 liters (6 cups) vegetable broth
  • 1 bay leaf
  • Salt and freshly ground black pepper, to taste
  • 2 tbsp fresh parsley, chopped (optional)
  • 1 tbsp lemon juice (optional, for brightness)

Instructions

Step 1
Heat the olive oil in a large pot over medium heat. Add the onion and cook for 3 minutes until translucent.
Step 2
Stir in the garlic, carrots, and celery. Cook for 5 minutes, stirring occasionally, until vegetables begin to soften.
Step 3
Add the mushrooms and cook for 6-8 minutes, until they release their moisture and begin to brown.
Step 4
Sprinkle in the thyme and oregano, stirring to coat the vegetables.
Step 5
Add the rinsed pearl barley, vegetable broth, and bay leaf. Stir to combine.
Step 6
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.
Step 7
Remove bay leaf. Season to taste with salt, pepper, and lemon juice if using.
Step 8
Ladle into bowls and garnish with fresh parsley.

Zusatztipps für die Zubereitung

For an extra boost of savory flavor, add 1 tablespoon of soy sauce along with the vegetable broth. It is also worth noting that this soup keeps very well and often tastes even better the next day as the herbs and vegetables continue to meld.

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Varianten und Anpassungen

If you want an even heartier meal, you can add diced potatoes or chopped kale during the final 15 minutes of cooking. For those with dietary restrictions, always ensure your vegetable broth is gluten-free, although keep in mind that pearl barley itself contains gluten.

Serviervorschläge

Ladle the hot soup into rustic bowls and garnish with fresh parsley for a pop of color. Adding a splash of lemon juice just before serving provides a brightness that cuts through the earthy tones of the mushrooms and barley.

Close-up of rich, earthy mushroom and barley soup simmering in a pot, showcasing tender vegetables and chewy grains.  Save
Close-up of rich, earthy mushroom and barley soup simmering in a pot, showcasing tender vegetables and chewy grains. | maisonflavors.com

Whether enjoyed on a quiet evening or shared with family, this Mushroom and Barley Soup is a timeless vegetarian classic that provides warmth and nourishment with every spoonful.

Questions & Answers for Recipes

Is this soup gluten-free?

Pearl barley naturally contains gluten, so this soup isn't gluten-free. You could substitute with quinoa or rice if needed.

Can I freeze this soup?

Yes, this soup freezes beautifully. Let it cool completely before storing in airtight containers for up to 3 months. The barley may soften slightly after thawing.

What type of mushrooms work best?

Cremini or button mushrooms are ideal for their earthy flavor and meaty texture. You can also use shiitake for extra umami or mixed wild mushrooms for deeper flavor.

How long does the soup keep in the refrigerator?

Store cooled soup in an airtight container for 4-5 days. The flavors actually improve overnight as the barley absorbs more broth and seasonings meld together.

Can I make this in a slow cooker?

Sauté the vegetables first, then transfer everything to your slow cooker. Cook on low for 6-7 hours or high for 3-4 hours until barley is tender.

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Mushroom and Barley Soup

Hearty soup with tender mushrooms and chewy pearl barley in a savory vegetable broth.

Prep Time
15 mins
Time for Cooking
45 mins
Overall Time Needed
60 mins
Created by Lindsey Brooks


Skill Level Easy

Cuisine European

Servings Produced 4 Portions

Diet Preferences Plant-Based, Milk-Free

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 ounces 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)

Directions

Step 01

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

Step 02

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

Step 03

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

Step 04

Infuse dried herbs: Sprinkle in the thyme and oregano, stirring to coat the vegetables.

Step 05

Combine soup components: Add the rinsed pearl barley, vegetable broth, and bay leaf. Stir to combine.

Step 06

Simmer until tender: 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.

Step 07

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

Step 08

Serve: Ladle into bowls and garnish with fresh parsley.

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Equipment Needed

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

Allergy Info

Please check every ingredient for allergens and reach out to a healthcare pro if unsure.
  • Pearl barley contains gluten; verify vegetable broth is gluten-free if required.

Nutrition Details (each serving)

These numbers are estimates for reference and not a replacement for health advice.
  • Energy: 210
  • Fats: 6 g
  • Carbohydrates: 36 g
  • Proteins: 6 g

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