Double Lentil Mushroom Barley Soup

Featured in: Everyday Home Cooking

This nourishing soup combines red and brown lentils with pearl barley, cremini mushrooms, and collard greens in a flavorful vegetable broth. The smoked paprika and thyme add depth, while the combination of legumes and grains creates a complete protein. Perfect for meal prep, this soup develops even more flavor overnight and freezes beautifully for up to three months.

Updated on Wed, 28 Jan 2026 13:12:00 GMT
Double Lentil and Mushroom Barley Soup simmering in a large pot with collard greens, smoked paprika, and fresh parsley garnish. Save
Double Lentil and Mushroom Barley Soup simmering in a large pot with collard greens, smoked paprika, and fresh parsley garnish. | sweetbaghrir.com

The first time I made Double Lentil and Mushroom Barley Soup was during an unexpectedly cold April weekend when the garden plans got rained out. The rhythmic sound of rain against the kitchen window created the perfect backdrop as the aromatic blend of sautéed mushrooms and smoked paprika filled the house. What began as a practical way to use pantry staples turned into a discovery that would become a cold-weather tradition in our home. The earthy richness that developed as the two different lentils melded with the chewy barley surprised even me.

Last winter, my neighbor came down with a terrible cold, and I brought over a container of this soup along with some crusty bread. A few days later, I found a note in my mailbox asking not for the usual cookie recipe, but specifically for this hearty soup. Now whenever I make a batch, I automatically portion some for sharing. Something about the rustic combination of mushrooms, barley and greens seems to speak a universal comfort language that crosses generations and tastes.

Ingredients

  • Two types of lentils: The red lentils break down to thicken the broth while the brown lentils hold their shape, creating a soup with perfect body and bite.
  • Pearl barley: The chewy texture adds such satisfying dimension that sometimes I catch myself fishing for just the barley pieces first.
  • Cremini mushrooms: These bring an almost meaty depth that makes the soup feel substantial even without any animal products.
  • Collard greens: I discovered these hold up beautifully in the soup, maintaining some structure even after cooking where spinach would completely wilt away.
  • Smoked paprika: Just a teaspoon transforms the entire pot with a subtle smokiness that makes people wonder what your secret ingredient might be.

Instructions

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Create your flavor foundation:
Heat olive oil in a large soup pot and sauté the diced onion until it becomes translucent and starts to release its sweet aroma. The kitchen will begin filling with that unmistakable scent that signals comfort food is on its way.
Build the aromatics:
Stir in the minced garlic, diced carrots and celery, letting them soften for a few minutes. The vegetables should begin to sweat but not brown yet.
Embrace the mushrooms:
Add your sliced mushrooms and let them cook until they release their moisture and begin to brown. Watch for that moment when they shrink and deepen in color, concentrating their earthy flavor.
Introduce the dry ingredients:
Stir in both types of lentils and barley along with the thyme, smoked paprika and bay leaves. Give everything a good mix so the grains get coated in the flavored oil.
Add the liquids:
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.
Allow magic to happen:
Cover and let everything simmer for about 30 minutes, occasionally lifting the lid to give a stir and release those wonderful steamy aromas. The barley will plump while the red lentils begin to break down.
Introduce the greens:
Add your chopped collard greens along with salt and pepper, then simmer uncovered to let the flavors concentrate slightly. The greens will brighten then soften into the soup.
Taste and adjust:
This is your moment to make the soup truly yours, adding more salt, pepper, or even a pinch more smoked paprika if desired. Remember to fish out those bay leaves before serving.
Serve with flourish:
Ladle into bowls and sprinkle with fresh parsley for a pop of color and freshness. The contrast between the deep, earthy soup and bright green herb is as pleasing to the eye as it is to the palate.
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A steaming bowl of Double Lentil and Mushroom Barley Soup served with crusty bread, featuring red lentils and carrots. Save
A steaming bowl of Double Lentil and Mushroom Barley Soup served with crusty bread, featuring red lentils and carrots. | sweetbaghrir.com

One particularly memorable evening, I served this soup during a power outage when a winter storm had knocked out electricity on our block. We gathered around the table with candles casting a warm glow, steam rising from our bowls as we talked by candlelight. The soup somehow tasted even better in that moment, and now I sometimes turn the lights down low when serving it, trying to recapture that feeling of intimate connection the dish helped create. Food really does taste different when shared in unique circumstances.

Adapting for Dietary Needs

After cooking this soup dozens of times, Ive found it remarkably adaptable for different dietary needs without sacrificing the soul of the dish. For gluten-sensitive friends, I substitute the barley with short-grain brown rice, which provides a similar satisfying chew, or quinoa for a lighter option that still adds interesting texture. The cooking time may need slight adjustment, but the essential character remains intact. What Ive come to appreciate is how inclusive this recipe can be, bringing together people with diverse dietary requirements around one steaming pot.

Make-Ahead and Storage Tips

This soup reveals its true character on the second or third day, when the flavors have had time to meld and deepen in the refrigerator. Ive found myself deliberately making it a day before I plan to serve it for company, knowing the overnight rest works a kind of culinary alchemy. During busy weeks, I portion it into individual containers that can be grabbed for quick lunches, though the barley continues to absorb liquid, transforming leftovers into something almost stew-like by day three. Some family members actually prefer this thicker version, spreading it on toast like a rustic pâté.

Seasonal Variations

The beauty of this hearty soup lies in its adaptability throughout the changing seasons, a quality I discovered through necessity one summer when my garden exploded with unexpected bounty. In spring, I often substitute half the collards with tender young spinach or add fresh peas during the last few minutes of cooking. Summer brings the opportunity to toss in zucchini or yellow squash, while autumn calls for a handful of diced butternut squash or sweet potato added with the carrots.

  • Winter variation: Stir in a tablespoon of tomato paste with the vegetables for added depth and richness during the coldest months.
  • Spring twist: Add a handful of fresh herbs like dill or chives just before serving to brighten the flavor profile.
  • Fall enhancement: Include a diced apple with the vegetables for a subtle sweetness that complements the earthiness of the mushrooms and lentils.
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Close-up of hearty Double Lentil and Mushroom Barley Soup in a rustic bowl, highlighting sliced mushrooms, pearl barley, and fresh parsley. Save
Close-up of hearty Double Lentil and Mushroom Barley Soup in a rustic bowl, highlighting sliced mushrooms, pearl barley, and fresh parsley. | sweetbaghrir.com

This Double Lentil and Mushroom Barley Soup has become more than just sustenance in my kitchen, its a reminder that often the most nourishing foods are also the most forgiving and adaptable. Whenever I make it, I think of the many conversations and connections that have happened around bowls of this hearty comfort.

Recipe FAQs

Can I make this soup gluten-free?

Yes, substitute pearl barley with short-grain brown rice or quinoa. Both options maintain the hearty texture while making it gluten-free. Always check your vegetable broth label to ensure it's certified gluten-free.

How long does this soup keep in the refrigerator?

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

Can I freeze this soup?

Absolutely. This soup freezes beautifully for up to 3 months. Let it cool completely before transferring to freezer-safe containers, leaving some room for expansion. Thaw overnight in the refrigerator before reheating.

What other greens can I use instead of collard greens?

Swiss chard, kale, or spinach work well as substitutes. Add spinach during the last 5 minutes of cooking as it wilts quickly, while heartier greens like chard and kale can be added with the collard greens.

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

No soaking required. Both red and brown lentils and pearl barley cook relatively quickly in the simmering broth. Just rinse them thoroughly before adding to the pot to remove any debris or dust.

Double Lentil Mushroom Barley Soup

Hearty soup with red and brown lentils, mushrooms, barley, and collard greens for a protein-rich meal.

Prep Time
20 min
Time to Cook
45 min
Overall Time
65 min
Recipe by Ella Matthews


Skill Level Easy

Cuisine Type International

Makes 6 Portions

Diet Info Plant-Based, No Dairy

What You'll Need

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

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

Steps

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.

Step 02

Build Flavor Base: Stir in minced garlic, diced carrots, and diced celery; cook for 3 to 4 minutes until fragrant and beginning to soften.

Step 03

Develop Mushroom Depth: Add sliced mushrooms and cook, stirring occasionally, for about 5 minutes until softened and lightly browned.

Step 04

Combine Legumes and Grains: Stir in red lentils, brown lentils, pearl barley, dried thyme, smoked paprika, and bay leaves until evenly distributed.

Step 05

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

Step 06

Initial Cooking Phase: Cover the pot and simmer for 30 minutes, stirring occasionally to ensure even cooking and prevent sticking.

Step 07

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

Step 08

Finish and Adjust: Taste the soup and adjust seasonings as needed. Remove and discard bay leaves before serving.

Step 09

Serve: Ladle soup into individual bowls and garnish with fresh parsley if desired. Serve hot with crusty whole-grain bread.

Tools Needed

  • Large soup pot
  • Chef's knife
  • Cutting board
  • Measuring cups and spoons
  • Ladle

Allergy Warnings

Always look at each ingredient to identify any allergens. If you're unsure, talk to a healthcare professional.
  • Contains gluten from barley
  • Nut-free
  • Soy-free
  • Dairy-free

Nutrition Info (each serving)

This data is for informational use. It's not a substitute for guidance from a medical expert.
  • Energy: 245
  • Lipids: 4 g
  • Carbohydrates: 44 g
  • Proteins: 12 g