Double Lentil and Mushroom Barley Soup

Double Lentil Mushroom Barley SoupIf there were two foods that were made for each other, it’s peanut butter and chocolate.  This isn’t about them, but in the sake of full disclosure, I felt I should mention it.  If there were two other foods that were made for each other, it’s lentils and collard greens.  The earthiness of lentils with the vaguely tinny taste of collard greens melt in the mouth and eat like a meal.  Together they are hearty and rich in a stick-with-you kind of way.

For that reason, collards and lentils play a consistent part in my weekly meals.  I love making a batch of slowly cooked, garlicky greens and topping them with brown lentils in coarse mustard.  On days when soup fits the bill, it’s this Double Lentil Mushroom and Barley Soup that calls my name.  This is my current favorite soup, and I make it regularly.

Sometimes I make it with less mushrooms, sometimes with more.  Sometimes I make it with farro or brown rice instead of barley or leeks instead of onions.   Sometimes I make it with garlic, and sometimes I make it with even more garlic.   Any way it’s modified, it always turns out beautifully.  This is the kind of soup that I’d want if I was starting to feel a bit under the weather, because with all of that garlic and collard green goodness, surely I’d snap out of it by the time my bowl ran dry.

Initially I always made this soup with brown lentils alone, and then one day my husband stepped in to make it.  After the soup was ready he called me in from the kitchen.  “We were out of brown lentils, and so I used red,” he said.  I anticipated that it wouldn’t turn out that way since red lentils just kind of disintegrate, but as it happened, it was quite a discovery.  The red lentils made for a creamier soup that is more dense.  By adding a mixture of brown and red lentils, we get the toothsome quality provided by the brown lentils along with a fuller viscosity thanks to the red lentils.

Lately I’ve been making this soup by dry sautéing the mushrooms to start.  Then I’m able to sauté the garlic and onions in the mushroom liquid.  I’ve read varying opinions on how to best do this.  Some people claim that the mushrooms should be stirred constantly.  Some people vote for a low or medium-low heat.  My preferred method is adding sliced mushrooms to a large, dry soup pot on a medium to medium-high heat and not overcrowding them or moving them too much.

My experience has been that if I leave them alone, they get all hot and bothered within a few minutes, and I’m able to use that mushroom liquid for sautéing instead of oil.  By the time the liquid has burnt off, I add a couple of tablespoons of extra dry vermouth to deglaze the pan, and that does the trick for the remaining sautéing until I add water or broth to the pot.

If you would prefer going the regular route and using oil instead, feel free to sauté the onions and garlic in a teaspoon or so of oil, and then add mushrooms and continue as followed in the directions.

lentil mushroom barley soupDouble Lentil & Mushroom Barley Soup

Serves 4-6

  • 14 white button or cremini mushrooms, thinly sliced
  • 8 cloves garlic, minced
  • 1 small red onion, chopped small
  • 2 Tbsp extra dry vermouth
  • 6 cups vegetable broth or 6 cups water + 1 vegetable bouillon cube
  • ¾ cup brown lentils, rinsed and sorted
  • ½ cup red lentils, rinsed and sorted
  • 1/3 cup barley, rinsed
  • 2 cups collard greens, rib removed, chopped small
  • 1 tsp herbs de Provence
  • ¼ tsp smoked salt (Yakima applewood smoked salt is my favorite)
  • Salt and pepper, to taste

Heat large soup pot on a medium heat.  Add mushrooms to dry soup pot, spread evenly across bottom.  Warm mushrooms until they release their liquid, stirring only occasionally.  Once they have released enough liquid to sauté, lower the heat and add garlic and onions to sauté in mushroom liquid.

Once the liquid dries off and the onions and garlic start to stick, add extra dry vermouth to deglaze the pan.  Continue cooking until the garlic and onions are translucent and fragrant.

Add vegetable broth (or water and bouillon cube, if using), brown and red lentils, and barley to pot.  Bring heat to medium high until boiling.  Lower to simmer and add collard greens.  Cover with lid and cook for 40 minutes.  Add herbs de Provence, smoked salt, and salt and pepper to taste.

This will make a hearty and stew-like soup, but if you prefer it more liquidy, add water or broth as necessary.   Serve with roasted garlic and crusty bread or marinated olives.

12 thoughts on “Double Lentil and Mushroom Barley Soup

  1. I really like the idea of adding collards to soups! This sounds so good, Cadry. Good thing I like in “foggy county” where soups are always appropriate to eat :) I am Pinning this one, sister.

    • Yes, collards are great in soup because they break down and soften. For people who find them tough or bitter, the long cooking time obliterates that. Thanks for the pin!

  2. My boyfriend makes a mean lentil soup, but he always adds kale as the main green. Next time I’mma make him use some collards. Because I’ve never had them……..

    • Yes, try it with collards for sure! I sometimes make this soup with kale, and it’s lovely, but collards have a rich and vaguely metallic quality that balance beautifully with earthy lentils.

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