Double Lentil Mushroom Barley Soup

Featured in: Homemade Comforts

This hearty soup combines red and brown lentils with earthy mushrooms and chewy pearl barley for a deeply satisfying bowl. Collard greens add nutrition and texture, while smoked paprika brings subtle warmth. The soup simmers slowly, allowing flavors to meld into a rich, nourishing dish perfect for cold weather.

With 12 grams of protein per serving and high fiber content, this filling soup keeps you satisfied for hours. The combination of legumes and whole grains creates complete protein, making it excellent for plant-based eating. Serve with crusty whole-grain bread to soak up the flavorful broth.

Updated on Wed, 28 Jan 2026 02:02:35 GMT
Steaming Double Lentil and Mushroom Barley Soup in a rustic pot, featuring hearty red lentils and fresh collard greens. Save
Steaming Double Lentil and Mushroom Barley Soup in a rustic pot, featuring hearty red lentils and fresh collard greens. | oventhyme.com

This Double Lentil and Mushroom Barley Soup is a hearty and nourishing meal designed to provide comfort on chilly days. By combining red and brown lentils with chewy pearl barley and earthy cremini mushrooms, this recipe creates a protein-rich and fiber-packed soup that is both satisfying and entirely vegan.

Steaming Double Lentil and Mushroom Barley Soup in a rustic pot, featuring hearty red lentils and fresh collard greens. Save
Steaming Double Lentil and Mushroom Barley Soup in a rustic pot, featuring hearty red lentils and fresh collard greens. | oventhyme.com

With a preparation time of only 20 minutes and a total time of just over an hour, this soup is perfect for meal prepping. The addition of collard greens at the end adds a vibrant splash of color and a boost of nutrients, making every bowl a complete meal.

Ingredients

  • Legumes & Grains: ½ cup red lentils (rinsed), ½ cup brown lentils (rinsed), ¾ cup pearl barley (rinsed)
  • Vegetables: 2 tablespoons olive oil, 1 large yellow onion (diced), 3 garlic cloves (minced), 2 medium carrots (diced), 2 celery stalks (diced), 10 oz (280 g) cremini or button mushrooms (sliced), 4 cups chopped collard greens
  • Liquids: 8 cups vegetable broth, 1 cup water
  • Herbs & Seasonings: 1 teaspoon dried thyme, 1 teaspoon smoked paprika, 2 bay leaves, 1 teaspoon salt, ½ teaspoon black pepper, 2 tablespoons chopped fresh parsley
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Instructions

Step 1
Heat olive oil in a large soup pot over medium heat. Add onion and sauté for 3 minutes, until softened.
Step 2
Stir in garlic, carrots, and celery; cook for another 3–4 minutes.
Step 3
Add mushrooms and cook, stirring occasionally, until softened and browned, about 5 minutes.
Step 4
Stir in red and brown lentils, barley, thyme, smoked paprika, and bay leaves.
Step 5
Pour in vegetable broth and water. Bring to a boil, then reduce heat to a simmer.
Step 6
Cover and cook for 30 minutes, stirring occasionally.
Step 7
Add collard greens, salt, and pepper. Simmer uncovered for another 10–15 minutes, or until barley and lentils are tender.
Step 8
Adjust seasoning to taste. Remove bay leaves before serving.
Step 9
Ladle soup into bowls, garnish with fresh parsley if desired, and serve hot.

Zusatztipps für die Zubereitung

To prepare this dish efficiently, ensure you have a large soup pot, a sharp chef's knife, a cutting board, and your measuring tools ready. Rinsing the lentils and barley thoroughly before cooking helps remove excess starch for a cleaner broth. Remember that this recipe contains gluten from the barley; if you are cooking for a gluten-free diet, ensure your vegetable broth is certified gluten-free.

Varianten und Anpassungen

For a gluten-free version, substitute the pearl barley with short-grain brown rice or quinoa. If collard greens aren't available, Swiss chard or kale make excellent substitutes. These variations allow you to customize the soup based on what is available in your pantry while maintaining the recipe's integrity.

Serviervorschläge

Serve this soup hot, ideally paired with a piece of crusty whole-grain bread for dipping. For an extra layer of flavor, add a squeeze of fresh lemon juice just before serving to brighten the savory notes. Each serving contains approximately 245 calories, 12g of protein, and 44g of carbohydrates.

A close-up of savory Double Lentil and Mushroom Barley Soup served in a cozy bowl, garnished with chopped parsley. Save
A close-up of savory Double Lentil and Mushroom Barley Soup served in a cozy bowl, garnished with chopped parsley. | oventhyme.com

Whether you are looking for a high-fiber lunch or a cozy vegan dinner, this Double Lentil and Mushroom Barley Soup is a reliable and delicious choice. Its simple ingredients and straightforward preparation make it a staple for any kitchen.

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Kitchen Guide

Can I make this soup gluten-free?

Yes, simply substitute pearl barley with short-grain brown rice or quinoa. Both options cook in approximately the same time and maintain the satisfying, chewy texture that makes this soup so filling.

Can I use other greens instead of collard greens?

Absolutely. Swiss chard, kale, or spinach work well as substitutes. Keep in mind that spinach cooks more quickly, so add it during the last 5 minutes of simmering.

How long does this soup keep in the refrigerator?

This soup stores beautifully for 4-5 days in an airtight container. The flavors continue to develop, making it even more delicious the next day. The barley will absorb more liquid as it sits, so you may need to add broth when reheating.

Can I freeze this soup?

Yes, this soup freezes well for up to 3 months. Portion into freezer-safe containers, leaving some space for expansion. Thaw overnight in the refrigerator before reheating on the stove.

What can I serve with this soup?

Crusty whole-grain bread is perfect for dipping. A simple green salad with vinaigrette complements the heartiness. For extra protein, serve with roasted chickpeas or a side of hummus and vegetables.

Double Lentil Mushroom Barley Soup

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

Prep duration
20 min
Kitchen time
45 min
Complete duration
65 min
Created by Grace Mitchell


Skill level Easy

Heritage International

Output 6 Portions

Dietary requirements Plant-based, No dairy

What you'll need

Legumes & Grains

01 1/2 cup red lentils, rinsed
02 1/2 cup brown lentils, rinsed
03 3/4 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 ounces 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 1/2 teaspoon black pepper, or to taste
06 2 tablespoons fresh parsley, chopped, for garnish

Method

Phase 01

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

Phase 02

Build flavor base: Stir in minced garlic, diced carrots, and diced celery. Cook for 3 to 4 minutes until fragrant and vegetables begin to soften.

Phase 03

Develop mushroom depth: Add sliced mushrooms and cook, stirring occasionally, for approximately 5 minutes until softened and lightly browned.

Phase 04

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

Phase 05

Introduce liquid: Pour in vegetable broth and water. Bring to a rolling boil, then immediately reduce heat to maintain a gentle simmer.

Phase 06

Simmer legumes and grains: Cover pot with a lid and simmer for 30 minutes, stirring occasionally to prevent sticking and ensure even cooking.

Phase 07

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

Phase 08

Finalize seasoning: Taste soup and adjust seasonings as needed. Remove and discard bay leaves before serving.

Phase 09

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

Kitchen tools needed

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

Allergy notes

Always review ingredients for potential allergens and seek professional medical advice when uncertain.
  • Contains gluten from barley; use certified gluten-free alternative grain for gluten-sensitive individuals.
  • Recipe is naturally nut-free and soy-free.

Nutrition breakdown (per portion)

Values shown are estimates only - consult healthcare providers for specific advice.
  • Energy: 245
  • Fats: 4 g
  • Carbohydrates: 44 g
  • Proteins: 12 g