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    Home » Soup » Vegetarian Mushroom Barley Soup

    Vegetarian Mushroom Barley Soup

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    Wholesome and hearty vegetarian mushroom barley soup is the coziest soup you can make all season. It's healthy, filling, and so delicious, packed with pearl barley, mushrooms and carrots. Plus, this one pot meal is super easy to make with just 10 minutes of prep on the stove top or in a slow cooker. You can also make it a few days ahead of time or freeze it for a rainy day.

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    Ingredients

    • vegetable oil
    • onion + garlic
    • vegetables - I used carrots and mushrooms in this soup. You can also add in other vegetables that you like such as celery, potato, sweet potato and green beans.
    • barley - I used pearl barley in this soup.
    • water
    • vegetable stock powder - I used vegetable stock powder to keep the soup vegan. You can also use chicken or beef stock powder.
    • salt and pepper
    • fresh parsley - for garnish.

    You will also need a medium-large cooking pot (I love making soup in the my 4 qt. dutch oven) or a slow cooker.

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    How to Make the Best Vegetarian Mushroom Barley Soup

    First, heat oil in a medium-large pot (or Dutch oven) over medium high heat for 2 minutes until the hot oil sizzles and shimmers. Add onion, garlic and carrots. Sauté until fragrant and onion is soft and tender, about 4 minutes.

    Then, add mushrooms and continue to sauté for about 3 minutes. You should notice the mushrooms start to brown a little.

    How to Cook on the Stovetop

    Add barley and water (add enough water to cover 4 inches above the ingredients in the pot, about 5-6 cups). Season the soup with vegetable stock powder, salt and pepper and bring it to a boil, stirring occasionally to prevent the barley from sticking to the bottom of the pot. 

    Turn the heat down to low and cover. Simmer for 1 hour until the barley is soft and tripled in size. The barley should be soft but still chewy.

    How to Cook in the Slow Cooker

    Transfer sautéed vegetables to the bottom of the slow cooker. Add in water, barley, and seasoning (vegetable stock powder, salt and pepper). Cover and cook on low for 6-7 hours. 

    Serve in a bowl and garnish with parsley.

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    How to Serve Mushroom Barley Soup

    My favourite way to serve a hearty soup like mushroom barley soup is with a side of crusty homemade bread to soak it all up. Some of my favourites are easy homemade biscuits, garlic rosemary focaccia bread, easy ciabatta rolls, no knead artisan bread and sourdough bread. Or browse through all of our bread recipes.

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    Tips on Storing

    • How to store: Keep the barley soup in the pot (covered) and store in the refrigerator for up to 5 days, or transfer it into an airtight container and store in the fridge.
    • How to freeze: Freeze barley soup in an airtight container or large freezer bag and freeze for up to 3 months. To serve, thaw in the refrigerator or on the kitchen counter, and then reheat on the stove and serve.
    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    More Soup Recipes

    • 30-Minute Butternut Squash Soup
    • Sweet Potato Soup
    • Roasted Butternut Squash and Cauliflower Soup
    • Lemon Chicken Orzo Soup
    • Roasted Butternut Squash Soup
    • Creamy Mexican Corn Soup

    This easy vegetarian mushroom barley soup forms a part of my 25 warm and cozy fall soup recipes. Follow the link to check out all of my 25 fall favourite soups.

    Did you make this recipe? I would greatly appreciate a comment and rating below, letting me know what you thought of the recipe. You can also snap a picture and tag me on Instagram @aheadofthyme or share it on the Pinterest pin so that I can follow along.

    Don't forget to sign up for my email newsletter so that you don't miss any recipes. You can also follow along on Instagram, Pinterest, and Facebook for more recipe updates.

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    Recipe

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    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com

    Vegetarian Mushroom Barley Soup


    5 Stars 4 Stars 3 Stars 2 Stars 1 Star

    5 from 5 reviews

    • Author: Sam | Ahead of Thyme
    • Total Time: 1 hour 5 minutes
    • Yield: 4-6 servings
    • Diet: Vegan
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    Description

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep.


    Ingredients

    • 2 tablespoons vegetable oil
    • 1 cup onion, chopped (about 1 medium onion)
    • 1 teaspoon garlic, minced
    • 1 cup carrots, thinly sliced
    • 2 cups brown mushrooms, thinly sliced
    • 1 cup barley
    • 5 to 6 cups water
    • 1 + ½ tablespoons vegetable stock powder (or chicken stock powder)
    • 2 teaspoons salt, or to taste
    • 1 teaspoon ground black pepper, or to taste
    • 1 teaspoon fresh parsley, finely chopped (for garnish)

    Instructions

    1. Heat oil in a large pot or Dutch oven over medium high heat for 2 minutes until the hot oil sizzles and shimmers. Add onion, garlic and carrots. Sauté until fragrant and onion is soft and tender, about 4 minutes.
    2. Add mushrooms and continue to sauté for about 3 minutes. You should notice the mushrooms start to brown a little.
    3. Stovetop Instructions: Add barley and water (add enough water to cover 4 inches above the ingredients in the pot, about 5-6 cups). Season the soup with vegetable stock powder, salt and pepper and bring it to a boil, stirring occasionally to prevent the barley from sticking to the bottom of the pot. Turn the heat down to low and cover. Simmer for 1 hour until the barley is soft and tripled in size. The barley should be soft but still chewy.
    4. Slow Cooker Instructions: Transfer sautéed vegetables to the bottom of the slow cooker. Add in water, barley, and seasoning (vegetable stock powder, salt and pepper). Cover and cook on low for 6-7 hours. 
    5. Serve in a bowl and garnish with parsley.

    Notes

    Equipment used: medium cooking pot (or 4 qt. dutch oven) or slow cooker.

    How to store: Keep the barley soup in the pot (covered) and store in the refrigerator for up to 5 days, or transfer it into an airtight container and store in the fridge.

    How to freeze: Freeze barley soup in an airtight container or large freezer bag and freeze for up to 3 months. To serve, thaw in the refrigerator or on the kitchen counter, and then reheat on the stove and serve.

    • Prep Time: 10 minutes
    • Cook Time: 1 hour 5 minutes
    • Category: Soup
    • Method: Stovetop
    • Cuisine: American

    Did you make this recipe?

    I'd love to see! Tag me @aheadofthyme on Instagram.

    Wholesome hearty vegetarian mushroom barley soup is healthy, filling, and so delicious. This one pot meal is easy to make with just 10 minutes of prep. | aheadofthyme.com
    Vegetarian Mushroom Barley Soup
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    Comments

    1. Julie Gordon says

      April 16, 2023 at 5:47 am

      I love this soup. I usually use Crimini mushrooms, which I can buy locally grown, but Shitake mushrooms are fantastic. Adding Rosemary takes this one to the next level of deliciousness for me. It also freezes well.

      Reply
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