Not Your Grandma’s Mushroom Barley Soup

Soup1-PotBudgetVegetarian

This is not your grandma's mushroom barley soup! Add soy sauce, balsamic, a mix of dried and fresh mushrooms, and spinach for a modern take on this classic recipe.

Photography Credit: Sheryl Julian

Barley is one of those grains that your grandmother probably always had in her pantry. And like many other treasures tucked away on those shelves, barley is chic now and a star ingredient on many trendy restaurant menus.

With this modernized recipe, we’re adding barley to a pot of vegetarian soup along with both dried and fresh mushrooms, and seasoning it with a surprising combination of soy sauce and balsamic vinegar.

The bowls of soup have a satisfying saltiness and an alluring sweetness—it’s an entirely new take on traditional mushroom barley soup.

Mushrooms and barley are an old pairing, popular in dishes around the world wherever mushroom foragers lived. For centuries, Eastern European cooks made versions of this soup as soon as the weather got cold—a simmering pot was on the menu pretty much all winter.

I like to use a mix of dried and fresh mushrooms in my soup. Dried mushrooms, especially porcini, add a lot of intense flavor to the pot, while the fresh mushrooms are earthy but mild by comparison.

For the fresh mushrooms, I like to use a combination of button, shiitake and large or baby portobello mushrooms, chopping the large ones and slicing small ones so you get a variety of textures.

Use pearl barley for this recipe; “pearl” means that the grains have been partially processed to remove the hull and bran, then polished. It cooks faster. Hulled barley, as the name suggests, has been hulled, but the bran is intact, so it takes longer to cook.

Just a head’s up: the grain continues to expand as they sit in the broth, so if you cook the soup a day ahead and let it chill overnight (which is a good idea because the flavors mellow), you might need to add more water if the mixture seems too thick.

Mushroom Barley SoupI make this soup with plain water so I can build the seasonings myself. I stir in generous spoonfuls of soy sauce and balsamic vinegar—these ingredients, which add an aromatic, umami boost, weren’t available to Eastern European home cooks centuries ago, but why not take advantage of our modern pantries?!

With so many things going into the pot, this soup has lots of satisfying bits to nibble and enough heft to serve as a main course. This recipe makes a large batch, plenty for dinner tonight and meals in the days to come.

Not Your Grandma’s Mushroom Barley Soup Recipe

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  • Prep time: 30 minutes
  • Cook time: 1 hour, 15 minutes
  • Yield: 6 to 8 servings

Ingredients

  • 1 ounce dried porcini or other dried mushrooms
  • 2 cups hot tap water
  • 1 1/2 pounds fresh mushrooms (button, shiitake, large or baby portobello, or a mix)
  • 3 tablespoons olive oil
  • 1 clove garlic, minced
  • 1 large onion, diced
  • 2 stalks celery, diced
  • 2 carrots, diced
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 3/4 cup pearl barley
  • 1 medium Yukon Gold potato, cut into 1/2-inch chunks
  • 8 cups water, plus more if needed
  • 2 tablespoons soy sauce, plus more to taste
  • 2 tablespoons balsamic vinegar, plus more to taste
  • 1 bay leaf
  • 1/4 cup chopped fresh parsley
  • 1/4 cup chopped fresh dill
  • 3 ounces baby spinach (2 cups packed), tough stems removed

Method

1 Soak the dried mushrooms: In a bowl, combine the porcini or other dried mushrooms and the 2 cups hot water. Set aside for 30 minutes to soak.

With a slotted spoon, lift the mushrooms out of the bowl and transfer to a cutting board. Coarsely chop them. Strain the soaking liquid through a sieve lined with a paper towel to catch any grit and reserve.

soaking mushrooms for Mushroom Barley Soup mushrooms for Mushroom Barley Soup

2 Prep the fresh mushrooms: Whip any dirt from the mushrooms with a damp paper towel. Remove the stems from all except the button mushrooms. Coarsely chop the large mushrooms and thinly slice the small mushrooms. Set aside.

mushrooms for Mushroom Barley Soup

3 Cook the vegetables: In a large stock pot over medium heat, heat the oil. Add the garlic, onion, celery, carrots, salt, and pepper. Cook, stirring occasionally, for 10 minutes until the vegetables have softened.

Add the mushrooms, stir well, and continue cooking, stirring occasionally, for another 10 minutes. Add the potato and barley and cook, stirring, for 1 minute more.

Ingredients for Mushroom Barley Soup recipe for Mushroom Barley Soup

4 Add the liquids: Stir in the reserved mushroom soaking liquid, water, soy sauce, vinegar, bay leaf, half the parsley, and half the dill.

Bring to a boil, then lower the heat. Partially cover and simmer for 45 to 50 minutes, or until the barley and potatoes are both tender. If the mixture seems too thick at any point, add more water, 1/2 cup at a time.

Vegan Mushroom Barley Soup

5 Finish the soup: Add the spinach and stir well. Cover the pot and let the spinach wilt for 2 minutes. Stir the soup and taste for seasoning. Add more salt, soy sauce, or balsamic vinegar, if you like. Sprinkle with the remaining parsley and dill. Ladle into bowls.

Leftovers will keep refrigerated for up to a week, or frozen for up to 3 months.

Vegetarian Mushroom Barley Soup

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Sheryl Julian

Sheryl Julian is an award-winning writer, editor, and food stylist. She is the former food editor of The Boston Globe, co-author of The Way We Cook, and editor of The New Boston Globe Cookbook. Her food sections won Best Newspaper Food Coverage from the Association of Food Journalists in 2015.

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4 Comments / Reviews

No ImageNot Your Grandma’s Mushroom Barley Soup

Did you make it? Rate it!

  1. Barbara

    This is absolutely delicious. I always cook my barley or other grains separately so they don’t sop up all the liquid while sitting overnight. It’s a large recipe so served the second night with sausage. It’s definitely a keeper.

    xxxxxyyyyy

  2. Kate

    I had cooked chicken I needed to use up so I added it to the soup, while replacing the water with chicken stock. I added more garlic, herbs, soy sauce and balsamic. It was still a nice mellow soup – perfect for a cold night. Oh, I topped it with a dollop of Greek yogurt (sour cream would work well too) and it brought it to another level.
    I will make this vegetarian next time and I was also thinking Beef: beef broth and either ground beef or leftover cut up steak. Yumm!

    xxxxxyyyyy

  3. Sandy S

    I like everything about this recipe… except the barley. I don’t know why, but I just don’t care for barley. This said, I really do like all of the other ingredients. I think I will try it with Quinoa. Another ‘chic’ grain for sure, but one that I do like and yet somehow forget to use.

  4. Bebe

    I am amused that my late Scottish Grandmother’s barley is now “chic”…. I’m not sure she’d know what the word meant, would smile when she found out, and continue to use it in her wonderful vegetable beef soup… I never talked to her about it, and she has been gone for decades, but I imagine it was an “extender”. An ingredient, not too expensive, that filled out a soup and made it more of a meal…

Mushroom Barley SoupNot Your Grandma’s Mushroom Barley Soup