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Portobello Mushroom Lentil Soup
GourmetDinnerHealthy Eating

Portobello Mushroom Lentil Soup

Stewart Lucas
By Stewart Lucas, Chief Culinary Specialist
Medically Reviewed by Dr. Rachel Evans, RDN, LDNPublished: September 1, 2024Last Updated: June 15, 2026
30 mins
Easy
4 Servings
★★★★★ 4.9 (47 reviews)
Quick Summary Answer
⏱️ 4 min read read📅 Updated: June 15, 2026

This chef-curated Portobello Mushroom Lentil Soup offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Key Takeaways

  • ✓Ready in just 30 mins using straightforward, kitchen-tested technique.
  • ✓Delivers 29g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 405 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Portobello Mushroom Lentil Soup offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Culinary Heritage & Chef's Notes

In the NutriGuide test kitchen, Chief Culinary Specialist Stewart Lucas refined this classic Portobello Mushroom Lentil Soup to celebrate vibrant, wholesome ingredients. By prioritizing aromatic layering and precise thermal control, this recipe achieves remarkable culinary depth while preserving natural micronutrients and wholesome texture.

At NutriGuide, our mission is to ensure that home cooking is both accessible and culinary-grade. When executing Portobello Mushroom Lentil Soup, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • 2 cups chopped portobello
  • mushrooms
  • 1 green bell pepper, chopped
  • 1 small red onion, chopped
  • 1 tablespoon olive oil
  • 4 cloves garlic, chopped
  • 1 (6 ounce) can tomato paste
  • 6 cups chicken broth
  • 4 teaspoons dried basil, or to
  • taste
  • 1 1/2 cups dried brown lentils,
  • rinsed and drained
  • salt and pepper to taste
  • 1/4 cup cooking sherry
  • grated Parmesan cheese

Chef's Sourcing & Quality Tips:

  • Produce & Aromatics: Always use fresh whole aromatics and seasonal herbs rather than dehydrated powders when possible.
  • Cooking Oils: Utilize cold-pressed oils with appropriate smoke points such as extra virgin olive oil or avocado oil.
  • Salt & Seasoning: Season from a modest height above the pan to ensure an even, uniform crystalline dispersion.

Step-by-Step Culinary Masterclass

Follow these sequential steps with careful attention to sensory cues and cooking temperatures:

Step 1: Technique & Execution

Heat oil in a large pot over medium heat

Step 2: Technique & Execution

Add mushrooms, green pepper, onion and garlic, and saute until tender, about 5 minutes

Step 3: Technique & Execution

Pour in the chicken broth, and stir in the tomato paste

Step 4: Technique & Execution

Bring to a boil, and add the lentils

Step 5: Technique & Execution

Reduce heat to low, cover, and simmer for about 15 minutes

Step 6: Technique & Execution

Season with basil, salt and pepper

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories405 kcalControlled caloric load for steady metabolic burn
Protein29gHigh-biological-value protein for tissue maintenance
Carbohydrates43gComplex, slow-digesting dietary fiber
Fat19gWholesome dietary lipids for micronutrient absorption

Portobello Mushroom Lentil Soup

This chef-curated Portobello Mushroom Lentil Soup offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.9 from 47 votes
Portobello Mushroom Lentil Soup
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories20% DV
405 kcal
Protein58% DV
29g
Fat24% DV
19g
Carbs16% DV
43g
Scale Ingredients

Ingredients

Ingredient Substitutions

Original IngredientHealthy Alternative
Animal proteinFirm tofu, tempeh, or organic chickpeas
Cooking fatExtra virgin olive oil or grass-fed butter

Instructions

1

Technique & Execution: Heat oil in a large pot over medium heat

2

Technique & Execution: Add mushrooms, green pepper, onion and garlic, and saute until tender, about 5 minutes

5:00
3

Technique & Execution: Pour in the chicken broth, and stir in the tomato paste

4

Technique & Execution: Bring to a boil, and add the lentils

5

Technique & Execution: Reduce heat to low, cover, and simmer for about 15 minutes

15:00
6

Technique & Execution: Season with basil, salt and pepper

Tried this recipe?

Let us know how it turned out! Click a star below to leave a review and rate the recipe.

Storage & Freezing Tips

  • Refrigerator: Store leftovers in an airtight container for up to 3-4 days.
  • Reheating: Heat in a saucepan or skillet on medium heat until hot throughout.
  • Freezing: Freeze portions in airtight containers for up to 2 months. Reheat directly from frozen or after thawing.

Frequently Asked Questions

Can this recipe be prepared ahead of time?▼

Yes, this meal is excellent for weekly meal prep. Store components separately and assemble before serving.

Is this recipe gluten-free?▼

All ingredients used are naturally gluten-free. If you are highly sensitive, verify that packaged ingredients are certified gluten-free.

Tried this recipe?

Tag @stewartlucas on Instagram and hashtag it #nutriguide!

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Stewart Lucas

Stewart Lucas

Chief Culinary Specialist

Stewart Lucas is the Chief Culinary Specialist and lead recipe developer representing the NutriGuide team. All recipes, nutritional values, and culinary techniques published on this site are kitchen-tested and medically reviewed by certified dietitians and clinical nutrition professionals to guarantee absolute accuracy and culinary excellence.

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