Easy Lentil Soup Recipe with Smoked Mushrooms (2024)

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4.50 from 2 votes

Jan 18, 2017, Updated Apr 10, 2023

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Lentil Soup with Smoked Mushrooms is an incredibly comforting, wholesome, nourishing, vegetarian and vegan, smoked mushroom soup that is dairy-free, gluten-free,withno added sugar.

Easy Lentil Soup Recipe with Smoked Mushrooms (2)

Don’t be scared though, this lentil soup recipe has incredible flavor and is pure comfort for a cold winter.

And if you don’t have a smoker you can easily sauté the mushrooms instead.

Table of Contents

  • Lentil Soup with Smoked Mushrooms
  • Ingredients
  • Mushrooms
  • Smoking the Mushrooms
  • How to Make Lentil Soup
  • Frequently Asked Questions
  • More Soup Recipes
  • Lentil Soup Recipe with Smoked Mushrooms

Wholesome and clean soups are perfect for the new year when you need a little bit of a reset. Or perhaps just a weeknight meal when you want something light and fresh, and meat-free (even us hard core carnivores need a couple days a week without meat!).

In trying to compromise making something meat-free (and also sugar-free) we decided on one of our favorite soups, but altered it a bit to make it less rich — A Lentil Soup Recipe with some Smoked Mushrooms. We often make a creamy version of mushroom soup, but I wanted to cut the cream and add more vegetables. This is it!

Lentil Soup with Smoked Mushrooms

Easy Lentil Soup Recipe with Smoked Mushrooms (3)

Lentil Soup with Smoked Mushrooms combines a classic lentil soup, with the added richness of smoked mushrooms. It’s comforting, wholesome, nourishing, vegetarian and vegan, and also dairy-free, gluten-free,withno added sugar.

It starts with the secret (not-so-secret) ingredient, smoked mushrooms.

Ingredients

In addition to the smoked mushrooms we like to have a hearty amount of vegetables and a good broth.

  • Classic Trinity: Celery, carrots and onions are the base in addition to garlic and the mushrooms.
  • Stock: A good low sodium vegetable stock keeps the lentil soup vegetarian. You can add the salt yourself as you season the soup.
  • Herbs: Adding aromatics enhances the flavor. A bunch of fresh thyme wrapped with kitchen string is nice flavor as well as a dried bay leaf.
  • Lentils: We recommend brown or green lentils for this lentil soup.

Mushrooms

Cremini mushrooms are our favorite for this recipe because they have a meatier flavor than button (white) mushrooms. It’s also very easy to add any additional mushrooms or mix it up. If you do mix up the mushrooms consider shiitake as the next alternative.

Our ratio is 1 pound of cremini mushrooms for this recipe. If you add more mushrooms 4 ounces is the max to avoid the soup from being too dense.

Smoking the Mushrooms

Easy Lentil Soup Recipe with Smoked Mushrooms (4)
  1. Prepare Mushrooms: Coat mushrooms well with olive oil, salt and pepper. Be generous with this as it’s the only time you’ll be seasoning your mushrooms. If you feel like adding your favorite dry rub to the mushrooms go for it. We like to keep it simple with salt and pepper.
  2. Smoke Mushrooms: Place them on your smoker set to 200 degrees for up to 45 minutes. You may want to check on them after30 minutes, and taste one to see if you’re liking the flavor. We found the shiitakes needed less time on the smoker as they take to the flavor much quicker, but the creminis need at last 45 minutes or so. Just be sure to monitor them and adjust cooking times to how you like the flavor.
  3. Remove from Smoker: When they’re done just remove them and slice them when they’re cool enough to work with.
Easy Lentil Soup Recipe with Smoked Mushrooms (5)

How to Make Lentil Soup

  1. Soften Vegetables: Cook onions, carrots, and celery in a large pot or Dutch oven until tender. Add garlic and cook 1 more minute.
  2. Add Liquids and Herbs: Add the vegetable stock, thyme, lentils, bay leaf and the sliced smoked mushrooms.
  3. Simmer: Stir together and simmer 20-30 minutes, until lentils have softened.
  4. Serve: The lentils and the mushrooms will make the dish hearty and substantial enough to satisfy you as a stand-alone meal.

Frequently Asked Questions

Do I need to soak lentils before cooking them?

No. The lentils do not require you to soak them before using them in soup. Just rinse them in cold water, then add them to the cooking broth and they will soften in around 20 minutes.

Can you smoke mushrooms?

Yes. Because mushrooms retain a lot of water they are a great vegetable to smoke and still maintain a nice texture. Smoke at a low heat (under 225 degrees F) for the best flavor and texture.

Which lentils are best for soup?

Lentils that tend to hold their texture and not soften too much are best. Brown and green are best for soups because they stay al dente (slightly firm) after they have been simmered. Red/Yellow tend to get real soft and almost mushy if cooked too long.

Easy Lentil Soup Recipe with Smoked Mushrooms (6)

More Soup Recipes

  • Wild Mushroom Soup with Sherry and Thyme
  • Smoked Butternut Squash Soup
  • Smoked Chicken and Salsa Verde Soup
  • Chicken Tortilla Soup
Easy Lentil Soup Recipe with Smoked Mushrooms (7)

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Easy Lentil Soup Recipe with Smoked Mushrooms (8)

4.50 from 2 votes

Lentil Soup Recipe with Smoked Mushrooms

By Mary Cressler | Vindulge

Vegetarian and vegan, dairy free, sugar free, Lentil Soup with Smoked Mushrooms. Incredibly nourishing and wholesome! Not to mention ridiculously delicious!!!

Prep: 45 minutes mins

Cook: 30 minutes mins

Total: 1 hour hr 15 minutes mins

Servings: 6 servings

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Ingredients

To Smoke the Mushrooms:

  • 16 ounces cremini mushrooms, cleaned and stems removed, (also called “baby bella”)
  • 4 ounces shiitake mushrooms, optional but delicious add on.
  • 2 tablespoons extra virgin olive oil
  • ½ teaspoon kosher salt
  • ¼ teaspoon fresh ground pepper

For the Soup:

  • 1 medium white onion, diced , (about 1 ½ cup)
  • 2 medium carrots, peeled and diced (about 1 cup)
  • 2 celery stalks, diced (about 1 cup)
  • 2 cloves garlic, minced
  • 6 cups vegetable stock
  • ½ cup green lentils
  • 10 sprigs thyme, tied together with kitchen string
  • 1 bay leaf

Instructions

For the Smoked Mushrooms:

  • Preheat smoker to 200 degrees Fahrenheit. We like using fruit woods like cherry or apple for vegetables.

  • Season: In a large bowl toss the mushrooms with the olive oil, salt, and pepper until well coated. Lay out evenly on a baking sheet or lined tray.

  • Smoke: Place the tray on the smoker, cover, and smoke for approximately 45 minutes. Taste one to see if you like the smoke infusion. Remove from smoker. When cool enough to work with, slice the mushrooms.

For the Soup:

  • Sauté: In a med-large saucepan over medium heat add one tablespoon of olive oil and the onions. Cook 5 minutes, until starting to get soft. Add the carrots and celery. Stir together and cook an additional 5 minutes. Add garlic and cook 1 more minute.

  • Simmer: Add the vegetable stock, lentils, thyme, bay leaf and the sliced smoked mushrooms. Stir together and simmer 20-30 minutes, until lentils have softened.

Notes

We recommend green lentils for this recipe. If you use red lentils, be sure to watch the time on the simmer. Red lentils can soften much faster than others and overcook quickly.

Nutrition

Calories: 152kcal | Carbohydrates: 22g | Protein: 7g | Fat: 5g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Sodium: 1167mg | Potassium: 681mg | Fiber: 7g | Sugar: 6g | Vitamin A: 3965IU | Vitamin C: 4mg | Calcium: 42mg | Iron: 2mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Author: Mary Cressler | Vindulge

Prep Time: 45 minutes minutes

Cook Time: 30 minutes minutes

Total Time: 1 hour hour 15 minutes minutes

Course: Entree, Soup

Cuisine: barbecue, dairy free, soup, sugar free, vegan, vegetarian

Servings: 6 servings

Calories: 152

Keyword: best lentil soup, lentil soup recipe

Like this recipe? Leave a comment below!

Categorized as:

Dinner, Food, Recipes, Soups, Vegetarian

Easy Lentil Soup Recipe with Smoked Mushrooms (9)

Vindulge

About Mary

I'm Mary, a wine/food/travel writer, Certified Sommelier, mom of twins, former vegetarian turned BBQ fanatic, runner, founder of Vindulge, and author of Fire + Wine cookbook. Thanks for stopping by!

About Me

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Easy Lentil Soup Recipe with Smoked Mushrooms (2024)

FAQs

Should you cook mushrooms before adding to soup? ›

While it is not necessary to pre-cook the mushrooms before adding them to the soup, it can enhance their flavor and texture. Sautéing the mushrooms in a bit of butter or oil before adding them to the soup can help develop their natural flavors and bring out their earthy aroma.

Do I need to rinse lentils before making soup? ›

The other good news: Lentils don't need to soak as beans do (though you do need to sort and rinse them before cooking). Different types of lentils cook in different amounts of time. Red lentils are the fastest cooking and they dissolve as they cook and make for a smooth soup.

Why does my lentil soup taste bland? ›

Why does my lentil soup taste bland? Lentils have a relatively mild taste and take well to seasonings. To avoid a bland lentil soup, use a flavorful broth—whether that's homemade or store-bought chicken or vegetable broth. The other key is building flavor.

How do you make Jamie Oliver lentil soup? ›

Heat the oil in a large pan on a medium heat, add the garlic, carrots and bouillon powder (see below), then fry gently for 5 minutes, or until softened, stirring regularly. Add the lentils, then pour in 1 litre of water and bring to the boil, stirring occasionally.

Can you overcook mushrooms in soup? ›

Insider explains that chitin is a large molecular structure contained within the cell walls of a mushroom, and unlike other polymers present in foods, it can withstand higher amounts of heat. This doesn't mean that mushrooms take forever to cook, but rather that they're difficult to burn.

Which color lentils are best for soup? ›

Red lentils are best for soups, curries, dals, and anything that craves a creamy, thicker, more comforting touch. Red lentils are some of our favorites around here, especially our newest Ethiopian inspired lentils!

Why did my lentil soup turn brown? ›

As the veggies hit the boiling water, volatile acids are released into the water and are carried away in the steam. When the pot is covered, the steam and the acids it contains are forced back into the water. Once there, the acids react with the chlorophyll in the vegetables, turning them an unsightly shade of brown.

What happens if you don't pre soak lentils? ›

Soaking: Unlike beans, lentils are small and cook relatively quick (in general, about 20-30 minutes) so they don't require pre-soaking. However, soaking lentils for a few hours or overnight may improve the digestibility of starches in lentils and an overnight soak can also reduce cooking time by about half.

Why does my stomach hurt after eating lentil soup? ›

Another reason that lentils are known for causing gas and bloating is because they are high in what's called raffinose. Raffinose family oligosaccharides (RFO) are known to cause stomach discomfort and bloating because the human body lacks the enzyme required to break them down within the digestive tract.

Why do I feel nauseous after lentil soup? ›

Lentils are frequently cooked with strong spices, which can cause indigestion in some people. Lentils are a good source of potassium, however, too many lentils in the diet can cause hyperkalemia (symptoms may include vomiting, fatigue, irregular heartbeat and difficulty breathing) in people with poor kidney function.

What makes lentils taste better? ›

Think more like you're cooking pasta- you just need significantly more water than lentils. You can also use broth instead of adding an extra layer of flavor. I like adding a bay leaf, an onion cut in half, and a clove of garlic to add flavor to the lentils.

Can you overcook lentil soup? ›

Mushy, overcooked lentils are far from tasty. Cooking them at a rapid simmer can lead to them splitting their skins from the pressure and thus lead to mushy results. Follow this tip: Trust that a gentle simmer will cook the lentils perfectly.

What is the white foam on lentil soup? ›

The outer layer of the lentil contains saponins, which are natural compounds that can create foam when agitated. When the lentils are split or hulled, the outer layer is removed, which can cause the saponins to be released more easily and contribute to foam formation.

How to add fresh mushrooms to soup? ›

Place the stock into a pot, add the mushrooms to the stock, bring it to a boil and then turn the heat off. Let the mushrooms steep in the stock while you prepare the soup.

Should mushrooms be cooked first? ›

For the Best Mushrooms, Give Them a Good Sear

Cooking mushrooms concentrates their flavor and brings out notes of sweet earthiness from the Maillard reaction taking place. The best way to do this is to sear the mushrooms first in a dry pan.

Should you boil mushrooms first? ›

The myth that mushrooms will soak up all the water has been busted by other chefs and food scientists. Boiling mushrooms before sautéing works because mushrooms are neither plant nor animal. This comes down to the mushroom itself -- its internal structure is such that you literally cannot overcook a mushroom.

How do you keep mushrooms from getting rubbery in soup? ›

Mushrooms don't require extensive cooking time. Once they are added to the soup, simmer them for about 10-15 minutes to ensure they are tender but still retain some firmness. Overcooking can result in mushy or rubbery mushrooms, so it's best to monitor their doneness as you cook.

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