This hearty mushroom barley soup is perfect for a cozy meal. The combination of earthy mushrooms and nutty barley creates a comforting dish that is both nutritious and delicious. With a rich vegetable broth base and aromatic herbs, this soup is sure to become a favorite in your household.
If you're heading to the supermarket, you might need to look out for pearl barley, which is not always a pantry staple. Additionally, make sure to pick up fresh mushrooms and vegetable broth if you don't have them on hand. These ingredients are essential for achieving the rich, hearty flavor of the soup.

Ingredients For Mushroom Barley Soup Recipe
Pearl barley: A type of whole grain that adds a chewy texture and nutty flavor to the soup.
Olive oil: Used for sautéing the vegetables, adding a subtle richness to the dish.
Onion: Provides a sweet and savory base flavor when cooked until translucent.
Garlic: Adds a pungent, aromatic depth to the soup.
Mushrooms: The star ingredient, offering an earthy, umami flavor and meaty texture.
Vegetable broth: Forms the liquid base of the soup, enhancing the overall flavor.
Dried thyme: An herb that adds a subtle, earthy aroma and taste.
Salt: Enhances the flavors of all the ingredients.
Black pepper: Adds a hint of spiciness and depth to the soup.
Fresh parsley: Used as a garnish to add a fresh, vibrant touch before serving.
Technique Tip for This Recipe
When cooking the mushrooms, make sure to spread them out evenly in the pot and avoid overcrowding. This allows them to brown properly and develop a deeper, richer flavor. If the pot is too crowded, the mushrooms will steam instead of sauté, resulting in a less flavorful dish.
Suggested Side Dishes
Alternative Ingredients
pearl barley - Substitute with farro: Farro has a similar chewy texture and nutty flavor, making it a great alternative.
olive oil - Substitute with canola oil: Canola oil has a neutral flavor and similar cooking properties.
onion - Substitute with leek: Leeks offer a milder, sweeter flavor that can complement the soup well.
garlic - Substitute with shallots: Shallots provide a subtle garlic-like flavor with a hint of sweetness.
mushrooms - Substitute with zucchini: Zucchini can mimic the texture of mushrooms and absorb flavors well.
vegetable broth - Substitute with chicken broth: Chicken broth can add a richer flavor if you are not strictly vegetarian.
dried thyme - Substitute with dried oregano: Oregano offers a different but complementary herbal note.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor, enhancing the soup's depth.
black pepper - Substitute with white pepper: White pepper provides a similar spiciness with a slightly different flavor profile.
fresh parsley - Substitute with fresh cilantro: Cilantro offers a fresh, vibrant flavor that can brighten the soup.
Alternative Recipes Similar to This Soup
How to Store or Freeze This Soup
Allow the mushroom barley soup to cool completely before storing. This helps maintain the texture and flavor of the soup.
Transfer the cooled soup into airtight containers. For easy portioning, consider using individual serving-sized containers.
Store the containers in the refrigerator if you plan to consume the soup within 3-4 days. This keeps the mushrooms and barley fresh and flavorful.
For longer storage, place the airtight containers in the freezer. The soup can be frozen for up to 3 months without losing its delicious taste.
When ready to enjoy, thaw the soup in the refrigerator overnight if frozen. This gradual thawing helps preserve the texture of the mushrooms and barley.
Reheat the soup on the stovetop over medium heat, stirring occasionally until heated through. You can also use a microwave, heating in short intervals and stirring in between to ensure even heating.
If the soup has thickened too much during storage, add a splash of vegetable broth or water to reach your desired consistency.
Garnish with freshly chopped parsley before serving to add a burst of fresh flavor and a pop of color.
How to Reheat Leftovers
Stovetop Method:
- Pour the leftover soup into a pot.
- Heat over medium-low, stirring occasionally to ensure even heating.
- Add a splash of vegetable broth or water if the soup has thickened too much.
- Once the soup is hot and steaming, it's ready to serve.
Microwave Method:
- Transfer the soup to a microwave-safe bowl.
- Cover the bowl with a microwave-safe lid or a plate to prevent splatters.
- Heat on high for 2-3 minutes, stirring halfway through.
- Check the temperature and heat in 1-minute increments if needed until hot.
Slow Cooker Method:
- Pour the leftover soup into the slow cooker.
- Set the slow cooker to low heat.
- Allow it to heat for 1-2 hours, stirring occasionally.
- Once the soup is thoroughly heated, it's ready to serve.
Oven Method:
- Preheat your oven to 350°F (175°C).
- Transfer the soup to an oven-safe dish.
- Cover the dish with aluminum foil to retain moisture.
- Heat in the oven for about 20-30 minutes, stirring halfway through.
- Check to ensure the soup is heated through before serving.
Double Boiler Method:
- Fill the bottom part of a double boiler with water and bring it to a simmer.
- Place the leftover soup in the top part of the double boiler.
- Stir occasionally to ensure even heating.
- Heat until the soup is hot and ready to serve.
Essential Tools for This Recipe
Large pot: Used for cooking the soup and allowing enough space for all ingredients to simmer together.
Wooden spoon: Ideal for stirring the ingredients without scratching the pot.
Chef's knife: Essential for dicing the onion, mincing the garlic, and slicing the mushrooms.
Cutting board: Provides a safe and clean surface for chopping all the vegetables.
Measuring cups: Used to measure the pearl barley and vegetable broth accurately.
Measuring spoons: Necessary for measuring the olive oil, dried thyme, salt, and pepper.
Ladle: Useful for serving the soup into bowls.
Small bowl: Handy for holding the chopped fresh parsley before garnishing.
Garlic press: Optional tool for mincing the garlic more efficiently.
How to Save Time on Making This Soup
Pre-slice mushrooms: Buy pre-sliced mushrooms to save time on preparation.
Use quick-cooking barley: Opt for quick-cooking barley to reduce simmering time.
Pre-chop onions and garlic: Use pre-chopped onions and garlic from the store.
Batch cook: Make a large batch and freeze portions for future meals.
Instant pot method: Use an Instant Pot to cut down cooking time significantly.
Mushroom Barley Soup Recipe
Ingredients
Main Ingredients
- 1 cup pearl barley
- 2 tablespoon olive oil
- 1 large onion, diced
- 2 cloves garlic, minced
- 1 pound mushrooms, sliced
- 8 cups vegetable broth
- 2 teaspoon dried thyme
- 1 teaspoon salt or to taste
- ½ teaspoon black pepper or to taste
- 2 tablespoon fresh parsley, chopped for garnish
Instructions
- 1. Heat the olive oil in a large pot over medium heat.
- 2. Add the diced onion and cook until translucent, about 5 minutes.
- 3. Stir in the minced garlic and cook for another minute.
- 4. Add the sliced mushrooms and cook until they release their juices and start to brown, about 10 minutes.
- 5. Pour in the vegetable broth, add the barley, dried thyme, salt, and pepper. Bring to a boil.
- 6. Reduce the heat to low and let it simmer for about 45 minutes, or until the barley is tender.
- 7. Adjust seasoning if needed. Garnish with fresh parsley before serving.
Nutritional Value
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