Double Lentil and Mushroom Barley

Featured in: Sheet-Pan & One-Pot Meals

This hearty soup combines red and brown lentils with tender pearl barley, savory mushrooms, and nutritious collard greens. The result is a protein-rich, fiber-filled bowl that's perfect for cold weather or meal prep. Earthy thyme and smoked paprika add depth, while a simple sauté of aromatic vegetables builds a flavorful foundation. The soup comes together in about an hour, requiring only basic prep work and occasional stirring as it simmers to perfection.

Updated on Wed, 28 Jan 2026 16:42:00 GMT
Homemade Double Lentil and Mushroom Barley Soup in a rustic bowl, showcasing tender lentils and mushrooms in a rich, savory broth. Save to Pinterest
Homemade Double Lentil and Mushroom Barley Soup in a rustic bowl, showcasing tender lentils and mushrooms in a rich, savory broth. | nexusfork.com

The first snowfall of last winter found me rummaging through my pantry, fingers brushing against forgotten bags of lentils and barley. Something warm and substantial was needed to counter the chill seeping through the window frames. My grandmother used to say that a good soup should stand a spoon upright, and this Double Lentil and Mushroom Barley Soup became my answer to her wisdom. I combined red and brown lentils on a whim, watching with satisfaction as they transformed into distinct textures that played against the chewy barley.

I first made this soup for my neighbor who was recovering from surgery, bringing over a steaming pot wrapped in kitchen towels to keep it warm during the short walk between our houses. We sat at her kitchen table, steam fogging her glasses as she took her first spoonful, and I watched her shoulders relax for what seemed like the first time in weeks. The mushrooms had given the broth an earthy depth that prompted her to ask for the recipe before Id even left.

Ingredients

  • Dual lentils: The red lentils dissolve to thicken the broth while brown lentils maintain their shape, creating a soup with substance and character that I discovered after accidentally mixing them when my kitchen lighting was dim.
  • Pearl barley: I never rinse barley enough until that one disastrous gritty batch taught me a forever lesson about giving it three good rinses until the water runs clear.
  • Cremini mushrooms: Their meatiness creates a savory base that makes this soup satisfying even to my carnivore friends, especially when you let them brown properly before adding liquid.
  • Collard greens: These sturdy leaves hold up beautifully in hot soup without disintegrating like spinach might, adding a pleasant chew and earthiness that balances the softness of the lentils.
  • Smoked paprika: Just a teaspoon transforms the entire pot with a subtle smokiness that makes guests wonder if theres bacon hiding somewhere in this vegan soup.

Instructions

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Build the flavor base:
Heat olive oil in a large soup pot over medium heat and add your diced onion, letting it soften and become translucent for about 3 minutes. The kitchen will start filling with that sweet onion aroma that signals good things are coming.
Layer in the aromatics:
Add the minced garlic, diced carrots and celery, stirring them through the glistening onions until they begin to soften, about 3-4 minutes. Your kitchen should be filling with a symphony of fragrances now.
Make the mushrooms shine:
Add those beautiful sliced mushrooms and let them do their magic, cooking until they release their moisture and then start to brown, about 5 minutes. This browning is where deep flavor happens, so resist stirring too often.
Introduce the stars:
Stir in both types of lentils and the barley along with thyme, smoked paprika, and bay leaves, giving everything a good toss to coat with the seasonings. The spices will become fragrant, telling you theyre waking up.
Add the liquid:
Pour in your vegetable broth and water, bringing everything to a gentle boil before reducing to a simmer. This is when patience becomes an ingredient too.
Let time work its magic:
Cover and let everything simmer for about 30 minutes, stirring occasionally to make sure nothing sticks to the bottom. The kitchen will fill with a rich, earthy aroma as the grains and legumes slowly soften.
Add the greens:
Stir in the chopped collard greens along with salt and pepper, then simmer uncovered for another 10-15 minutes. Youll watch the greens transform from bright to softened while still maintaining their structure.
Final touches:
Taste and adjust the seasoning, remembering that flavors meld over time. Fish out those bay leaves which have done their quiet work infusing the broth.
Serve with care:
Ladle this steaming comfort into bowls and scatter fresh parsley on top if youre feeling fancy. The contrast of the bright green against the earthy soup makes for a beautiful presentation.
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Spoon dipping into a steaming bowl of Double Lentil and Mushroom Barley Soup with fresh parsley garnish and hearty collard greens. Save to Pinterest
Spoon dipping into a steaming bowl of Double Lentil and Mushroom Barley Soup with fresh parsley garnish and hearty collard greens. | nexusfork.com

Last autumn, I brought a thermos of this soup on a hiking trip with friends. We reached the summit at noon, windblown and hungry, and passed the steaming cups around our little circle. No one spoke for several minutes as they sipped, just nodding with closed eyes as the warmth spread through chilled bodies. It was one of those rare moments when food connects people more powerfully than words could.

Grain and Legume Symphony

The real magic in this soup happens through the interplay of cooking times. Red lentils break down in about 15 minutes, creating a naturally creamy base, while brown lentils and barley take closer to 30-35 minutes to become tender. This staggered softening creates layers of texture that develop as the soup simmers. I discovered this accidentally when running low on brown lentils and supplementing with red ones, inadvertently creating a much more interesting soup than Id originally planned.

Make-Ahead and Storage Wisdom

This soup actually improves with time, developing deeper flavors after resting in the refrigerator overnight. Ive learned to make a double batch deliberately, portioning the extra into containers for quick lunches throughout the week. The barley continues to absorb liquid while stored, creating an almost risotto-like texture by day three that my daughter actually prefers to the original soup consistency.

Adaptations and Variations

Over the years, Ive customized this recipe based on whats available in my garden or farmers market. Summer brings opportunities to add fresh corn kernels cut straight from the cob, while autumn inspires me to add cubed butternut squash that melts into sweet little pockets throughout the soup. Winter versions often include a parmesan rind tossed into the simmering pot, creating a subtle richness that complements the earthiness of the mushrooms.

  • For a pressure cooker version, sauté the vegetables as directed, then cook on high pressure for 15 minutes with a natural release for consistently perfect results.
  • Adding a tablespoon of white miso paste stirred in after cooking introduces a complex umami flavor that makes the soup taste like it simmered all day.
  • Freezing individual portions in silicone muffin cups creates perfect soup nuggets that can be dropped into a mug with boiling water for nearly instant lunch.
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Serving of Double Lentil and Mushroom Barley Soup beside crusty whole-grain bread, perfect for a cozy, nutritious vegan meal. Save to Pinterest
Serving of Double Lentil and Mushroom Barley Soup beside crusty whole-grain bread, perfect for a cozy, nutritious vegan meal. | nexusfork.com

This soup has become my kitchen currency, traded for favors and delivered during lifes difficult moments when words fail but nourishment speaks volumes. Each time I make it, the recipe carries forward not just ingredients but the memories of all the tables around which its been shared.

Questions & Answers

Can I make this soup gluten-free?

Yes, simply substitute pearl barley with short-grain brown rice or quinoa. Both alternatives cook in similar timeframes and maintain the satisfying texture.

What other greens can I use instead of collard greens?

Swiss chard, kale, or spinach work beautifully. Swiss chard and kale hold up well during cooking, while spinach should be added in the last few minutes.

How long does this soup keep in the refrigerator?

This soup stores well for 4-5 days in an airtight container. The flavors actually deepen and improve after a day or two. Reheat gently on the stovetet, adding a splash of water if needed.

Can I freeze this soup?

Absolutely. Freeze in portion-sized containers for up to 3 months. Note that barley may become slightly softer after freezing, but the taste remains delicious. Thaw overnight in the refrigerator before reheating.

What type of mushrooms work best?

Cremini or button mushrooms are ideal for their earthy flavor and meaty texture. For more variety, try shiitake or portobello mushrooms, which add extra umami depth to the broth.

Do I need to soak the lentils and barley before cooking?

No soaking is required. Red lentils cook quickly, and both brown lentils and pearl barley soften beautifully during the 45-minute simmer time. Just rinse everything thoroughly before adding to the pot.

Double Lentil and Mushroom Barley

Nourishing soup with red and brown lentils, mushrooms, barley, and collard greens for a hearty, protein-packed meal.

Prep duration
20 minutes
Cook duration
45 minutes
Overall time
65 minutes
Recipe by Nexus Fork Wyatt Evans


Skill level Easy

Cuisine type International

Portions 6 Number of servings

Diet preferences 100% Vegan, No dairy

Ingredient list

Legumes & Grains

01 ½ cup red lentils, rinsed
02 ½ cup brown lentils, rinsed
03 ¾ cup pearl barley, rinsed

Vegetables

01 2 tablespoons olive oil
02 1 large yellow onion, diced
03 3 garlic cloves, minced
04 2 medium carrots, diced
05 2 celery stalks, diced
06 10 oz cremini or button mushrooms, sliced
07 4 cups chopped collard greens, approximately 1 small bunch

Liquids

01 8 cups vegetable broth
02 1 cup water

Herbs & Seasonings

01 1 teaspoon dried thyme
02 1 teaspoon smoked paprika
03 2 bay leaves
04 1 teaspoon salt, or to taste
05 ½ teaspoon black pepper, or to taste
06 2 tablespoons chopped fresh parsley, optional for garnish

Step-by-step guide

Step 01

Sauté Aromatics: Heat olive oil in a large soup pot over medium heat. Add diced onion and sauté for 3 minutes until softened and translucent.

Step 02

Build Flavor Base: Stir in minced garlic, diced carrots, and diced celery. Cook for 3–4 minutes, allowing vegetables to begin softening and releasing their flavors.

Step 03

Brown Mushrooms: Add sliced mushrooms and cook, stirring occasionally, for approximately 5 minutes until softened and light browning develops on the surface.

Step 04

Combine Legumes & Grains: Stir in red lentils, brown lentils, pearl barley, dried thyme, smoked paprika, and bay leaves, coating evenly with the sautéed vegetables.

Step 05

Build Broth Base: Pour in vegetable broth and water. Bring mixture to a boil over medium-high heat, then reduce heat to maintain a gentle simmer.

Step 06

Simmer Grains & Legumes: Cover pot and simmer for 30 minutes, stirring occasionally to ensure even cooking and prevent sticking on the bottom.

Step 07

Finish with Greens: Add chopped collard greens, salt, and black pepper. Simmer uncovered for 10–15 minutes until barley and lentils reach tender consistency.

Step 08

Adjust Seasoning: Taste soup and adjust salt and pepper as desired. Remove bay leaves before serving to prevent accidental consumption.

Step 09

Serve: Ladle soup into bowls and garnish with fresh parsley if desired. Serve immediately while hot.

Equipment you'll need

  • Large soup pot with lid
  • Chef's knife
  • Cutting board
  • Measuring cups and measuring spoons
  • Soup ladle

Allergy notes

Look at every ingredient for allergens and get help from a medical expert if unsure.
  • Contains gluten from pearl barley
  • Nut-free
  • Soy-free
  • Dairy-free

Nutrition details (per serving)

For informational purposes only. Always check with your healthcare provider.
  • Calorie count: 245
  • Total fat: 4 g
  • Carbohydrates: 44 g
  • Proteins: 12 g