One-Pot Wonder Lentil Soup

Wholesome & Hearty: Your Ultimate Guide to Instant Pot Lentil Soup

Discover the magic of preparing a truly delicious and nutritious meal in record time with our **Instant Pot Lentil Soup** recipe. This flavorful, protein-packed, and nutrient-rich soup is not just a treat for your taste buds but also a powerhouse of health benefits. Perfectly cooked in under an hour, it stands out as an ideal candidate for your weekly meal prep, ensuring you have wholesome, homemade goodness ready to enjoy any day of the week.

Forget bland, mushy lentil soups. Our recipe leverages the power of the Instant Pot to create a vibrant, aromatic soup with perfectly tender lentils and a rich, complex broth. Whether you’re a seasoned Instant Pot user or new to pressure cooking, this recipe will quickly become a cherished favorite in your kitchen repertoire. It’s a culinary journey that promises both ease and exceptional flavor, making healthy eating both convenient and incredibly satisfying.

Two bowls of Instant Pot lentil soup garnished with fresh herbs.
Say hello to the healthiest lentil soup on the internet! This Instant Pot Lentil Soup is easy to make and has delicious flavor.

Why the Instant Pot is Your Soup MVP

If you’re anything like us, you adore the convenience and incredible results of making soup in your Instant Pot. We’ve curated a fantastic selection of Instant Pot Soup Recipes on our site, and this lentil soup is a shining example of why pressure cooking is the way to go. It’s not just about speed; it’s about unlocking deeper, richer flavors that traditional stovetop methods simply can’t match.

The Instant Pot transforms cooking by intensifying flavors through its high-pressure environment. Ingredients meld together beautifully, creating a harmonious and robust taste profile that will make your taste buds sing with joy. Beyond the unparalleled flavor, cleanup is an absolute breeze. With a single pot handling the sautéing, cooking, and simmering, you spend less time scrubbing and more time savoring your delicious, home-cooked meal. This truly is one of the best Instant Pot soups you’ll ever experience, a testament to its efficiency and culinary prowess.

Understanding Lentils: Your Guide to Perfect Pressure Cooking

Lentils are the stars of this soup, offering a fantastic source of plant-based protein, dietary fiber, and essential minerals. To ensure they cook perfectly in your Instant Pot, it’s helpful to understand a few key aspects about these versatile legumes.

How Long Does It Take to Cook Lentils in an Instant Pot?

For this specific recipe, we recommend using brown or green lentils. These varieties maintain their shape beautifully and provide a pleasing texture. They cook to tender perfection in approximately **20 minutes** on high pressure. The beauty of this method is that the lentils emerge firm and intact, never mushy, offering a delightful bite in every spoonful.

Do Different Color Lentils Have Different Cook Times?

Yes, absolutely! The color of your lentils isn’t just for aesthetics; it also indicates their texture and cooking properties. Knowing the differences is key to successful lentil preparation:

  • Brown and Green Lentils: These are more robust and hold their shape exceptionally well during cooking, making them ideal for soups and stews where you want distinct lentil grains.
  • Yellow and Red Lentils: These varieties are softer and tend to break down much faster. Cooking them in the Instant Pot under high pressure can quickly lead to a puréed consistency, which is perfect for dhals or creamy soups, but not what we’re aiming for in this recipe.

Do You Need to Soak Lentils Before Pressure Cooking?

One of the many benefits of using the Instant Pot for lentils is that **no pre-soaking is required** for this recipe! The pressure cooker effectively tenderizes the lentils without the need for overnight soaking, saving you valuable time and effort in the kitchen. Simply rinse them thoroughly before adding them to the pot.

How Much Liquid Do You Put in Instant Pot for Soup?

Managing the liquid ratio in an Instant Pot is crucial, as too much liquid can prolong the time it takes for the pot to come to pressure. For this recipe, we employ a smart two-stage liquid addition:

  • We initially add 4 cups of broth to the Instant Pot during the pressure cooking phase. This is sufficient liquid for the lentils to absorb and cook properly without unnecessarily extending the pressure-building time.
  • After the pressure cooking is complete, we stir in the remaining 2 cups of broth. This allows us to achieve the perfect soup consistency, preventing it from being too thick or requiring excessive pressure-building time upfront.

Why Are My Lentils Still Crunchy?

Encountering crunchy lentils can be disappointing, but it’s usually due to a few common culprits:

  • Insufficient Liquid: The lentils need enough liquid to absorb and soften. If there wasn’t enough broth, they won’t cook through.
  • Improper Sealing: Ensure the vent on your Instant Pot lid is securely sealed. If pressure escapes, the lentils won’t cook under the necessary high-pressure environment. Always double-check your lid and sealing ring.
  • Inadequate Cook Time: While 20 minutes is standard for brown and green lentils, factors like altitude or the age of your lentils can affect cooking. If they’re still firm, you can reseal the pot and cook for another 5-10 minutes on high pressure.

Key Ingredients for a Flavorful Instant Pot Lentil Soup

This Instant Pot Lentil Soup is a symphony of nourishing and flavorful ingredients, each playing a vital role in creating its vibrant taste and robust nutritional profile:

  • Brown or Green Lentils: The foundation of our soup, providing hearty texture, essential fiber, and plant-based protein.
  • Sweet Potatoes: Adding a touch of natural sweetness, vibrant color, and a host of vitamins, especially Vitamin A.
  • Full-Fat Coconut Milk: Creates a creamy, luxurious broth that perfectly balances the savory spices.
  • Diced Tomatoes & Garbanzo Beans: Contribute acidity, texture, and additional protein and fiber.
  • Aromatic Trio: Fresh Ginger, Lemongrass, & Turmeric: These powerful ingredients are not just for flavor; they are renowned for their anti-inflammatory and antioxidant properties, giving the soup a golden hue and an invigorating aroma.
  • Curry Powder: A warm, complex spice blend that ties all the flavors together, lending an authentic, comforting depth.
  • Fresh Greens (Kale or Spinach) & Red Pepper: Added at the end for a burst of freshness, extra nutrients, and a touch of crisp-tender texture.
  • Lemon Juice: A finishing touch that brightens all the flavors, adding a necessary zing to the rich soup.

Crafting Your Golden Instant Pot Lentil Soup: A Step-by-Step Culinary Journey

Sauté > High Pressure > 20 minutes > Quick Release > Sauté > Serve & Enjoy!

Making this incredible Instant Pot Lentil Soup is a straightforward process, broken down into a few simple steps. To make your cooking experience even more enjoyable and seamless, we highly recommend embracing the “mise en place” philosophy: have all your ingredients prepped, chopped, and measured before you begin. This not only makes the process smoother but also significantly reduces cooking stress, letting you fully enjoy the culinary adventure.

Step 1: Building the Aromatic Base (Sauté Vegetables)

The first and arguably most crucial step to any truly delicious soup is creating a robust flavor foundation. Begin by activating the Instant Pot’s “Sauté” feature. Once hot, add the olive oil. Allow it to heat until fragrant, then introduce the minced onion and garlic to the pot. Sauté these aromatics for about 3-4 minutes until they become tender and translucent, releasing their wonderful fragrances. This step is essential for developing depth.

Next, add the diced sweet potatoes to the Instant Pot. Stir them gently to coat them in the flavorful oil and aromatics. **A critical tip here: do not sauté the sweet potatoes for too long!** A brief sauté is all that’s needed. Over-sautéing them at this stage will result in excessively mushy potatoes after the pressure cooking, compromising the texture of your finished soup.

Sweet potatoes and onion sautéing in an Instant Pot pot.
Every step of this lentil soup is made in the Instant Pot, making clean up a breeze!

Step 2: Layering the Main Ingredients for Pressure Cook

Once the sweet potatoes are lightly coated, it’s time to introduce the remaining core ingredients that will form the body of your soup. Carefully add the brown or green lentils, full-fat coconut milk, diced tomatoes, drained and rinsed garbanzo beans, 4 cups of vegetable broth, fresh grated ginger, fresh grated lemongrass, turmeric, curry powder, and a generous pinch of salt to the pot. Stir everything thoroughly to ensure all ingredients are well combined and evenly distributed.

A quick note on broth quantity: You might wonder why we only add 4 cups of broth at this stage, reserving the last two. This strategic approach prevents the Instant Pot from “overworking” to build pressure. Less liquid initially means the pot comes to pressure more quickly, reducing overall cook time. This initial amount is perfectly sufficient for the lentils to absorb and cook through, and the remaining broth will be added at the end for ideal consistency.

After all ingredients are combined, secure the Instant Pot lid, ensuring the sealing valve is set to “Sealing.” Select the “Manual” or “Pressure Cook” setting on high pressure, and set the timer for **20 minutes**. Remember, it will take an additional 10-15 minutes for the Instant Pot to build sufficient pressure before the actual cooking countdown begins.

All the ingredients for Instant Pot lentil soup are combined in the pot before cooking.
Instant Pot Lentil Soup is full of anti-inflammatory ingredients like turmeric, sweet potato, kale, and ginger. Enjoy the flavor and ease of this lentil soup recipe.

Step 3: The Safe Quick Release

Once the 20-minute pressure cooking cycle is complete and the timer signals it’s done, there’s no need to wait for a natural pressure release for this soup. You can immediately perform a **Quick Release** of the pressure. Carefully turn the sealing valve from “Sealing” to “Venting.” Be mindful that steam will release vigorously, so keep your hands and face clear.

Pro Tip for a Cleaner Release: To prevent any potential broth splatter during the quick release, drape a clean kitchen towel over the vent. The towel will safely absorb any escaping liquid, keeping your kitchen counter tidy. Once all the pressure has been released and the float valve drops, you can safely remove the lid.

Cooked Instant Pot lentil soup in the Instant Pot pot.
Make a big batch of Instant Pot lentil soup for meal prep for the week.

Step 4: Finishing with Freshness (Add Broth, Greens, Red Pepper, Lemon Juice)

With the lentils perfectly cooked and infused with flavor, it’s time for the final touches that elevate this soup to culinary perfection. Turn the Instant Pot’s “Sauté” feature back on. Now, add the remaining 2 cups of vegetable broth, the vibrant fresh greens (whether you choose nutrient-dense spinach or hearty kale), the diced red pepper, and a generous squeeze of fresh lemon juice. These ingredients are added at the end to preserve their fresh flavors, bright colors, and tender textures.

Stir everything gently and bring the soup to a gentle simmer. Continue to simmer just until the greens wilt and meld into the soup, which typically takes only a couple of minutes. The red pepper will soften slightly while retaining a pleasant bite, and the lemon juice will awaken all the flavors, adding a bright finish. Once the greens are tender, turn off the Instant Pot, and your magnificent Instant Pot Lentil Soup is ready to be served and enjoyed!

Customizing Your Lentil Soup: Easy Substitutions & Variations

Don’t have every ingredient on hand, or simply want to personalize your Instant Pot Lentil Soup? No worries at all! This recipe is incredibly adaptable, allowing for easy substitutions and variations without compromising on its deliciousness. Experiment to find your perfect bowl!

Common Substitutions

  • Sweet Potato: If sweet potatoes aren’t available, feel free to use red potatoes or butternut squash for a similar texture and mild sweetness.
  • Garbanzo Beans (Chickpeas): Can be swapped for white beans (like cannellini or navy beans) or even kidney beans for a different legume profile.
  • Vegetable Broth: While vegetable broth keeps this soup vegan, any broth will work! Chicken broth or even bone broth can be used for added richness.
  • Curry Powder or Turmeric: If you’re looking for an alternative or want to explore different spice notes, try a pre-made Golden Milk Powder blend for a similar warm, earthy, and aromatic profile.

Flavor Enhancements & Additions

  • Spice Level: For those who love a kick, add a pinch of red pepper flakes or a finely diced jalapeño during the sauté phase.
  • Extra Veggies: Feel free to toss in chopped carrots, celery, or zucchini along with the sweet potatoes for more vegetable goodness.
  • Herbs: Fresh cilantro or parsley make excellent garnishes, adding brightness and a fresh aromatic finish.
  • Protein Boost: While already protein-rich, you can add cooked shredded chicken or tofu for extra protein, though the soup is already incredibly satisfying as is.
Instant Pot lentil soup in a bowl with fresh kale leaves on top as garnish.
You get a healthy serving of vegetables and protein with every bowl of this Instant Pot Lentil Soup.
A close-up of a bowl of Instant Pot lentil soup, ready to be eaten.
Serve this Instant Pot Lentil Soup to your family and you’ll have a new favorite soup in the house!

Serving Suggestions & Perfect Pairings

This Instant Pot Lentil Soup is wonderfully satisfying on its own, but it also pairs beautifully with a variety of sides to create a complete and comforting meal. Consider serving it with:

  • Crusty Bread: A warm, crusty baguette or a slice of sourdough is perfect for soaking up every last drop of the rich broth.
  • Rice or Quinoa: For an even heartier meal, serve a scoop of fluffy basmati rice, brown rice, or protein-rich quinoa alongside or stirred directly into the soup.
  • A Dollop of Yogurt: A spoonful of plain Greek yogurt or a dairy-free alternative adds a cool, creamy contrast that complements the warming spices.
  • Fresh Herbs: A sprinkle of fresh cilantro or parsley elevates the aroma and visual appeal.
  • A Simple Side Salad: A light, crisp green salad with a vinaigrette dressing offers a refreshing balance to the hearty soup.

Storage, Freezing, and Meal Prep Tips

One of the best features of this Instant Pot Lentil Soup is how well it holds up for meal prep, making healthy eating effortless throughout the week. Make a big batch, and you’ll be set!

  • Refrigeration: Store leftover soup in an airtight container in the refrigerator for up to 4-5 days. The flavors often deepen and improve overnight!
  • Freezing: This soup freezes beautifully. Allow it to cool completely, then transfer to freezer-safe containers or bags. It can be frozen for up to 3 months. Thaw overnight in the refrigerator before reheating.
  • Reheating: Gently reheat on the stovetop over medium-low heat, stirring occasionally, until warmed through. You may need to add a splash of extra broth or water to reach your desired consistency, as the soup can thicken slightly upon cooling.
  • Meal Prep Portions: Divide the cooled soup into individual serving containers for quick and easy grab-and-go lunches or dinners.

More of our Favorite…

Instant Pot Soup Recipes

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4.67 from 3 votes

Instant Pot Golden Lentil Soup Recipe

This Instant Pot Lentil Soup recipe is flavorful, packed with protein, and nutrients. This lentil soup is made in under an hour and is a great meal prep meal for the whole week.
By: Linley Hanson
Prep: 20 mins
Cook: 20 mins
Total: 40 mins
Servings: 6
Instant Pot Soup in a bowl with toppings
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Ingredients

  • 2 tablespoons olive oil
  • 1 medium yellow onion, minced
  • 5 garlic cloves, minced
  • 1 large sweet potato, diced
  • 1 cup dry brown or green lentils, rinsed
  • 1 15-oz. can full-fat coconut milk
  • 1 15-oz. can diced tomatoes
  • 1 15-oz. can garbanzo beans, drained and rinsed
  • 6 cups vegetable broth, separated (4 cups for cooking, 2 cups for finishing)
  • 2 tablespoons fresh grated ginger
  • 1 tablespoon fresh grated lemongrass (or from a tube)
  • 1 tablespoon turmeric
  • ½ tablespoon curry powder
  • 1 teaspoon salt
  • 8 cups chopped kale or spinach
  • 1 large red pepper, diced
  • 2 tablespoons lemon juice

Instructions

  1. Turn on the Instant Pot’s sauté feature and add olive oil.
  2. When the olive oil is fragrant, add minced onion and garlic to the pot. Sauté for 3-4 minutes until softened, then add the diced sweet potato and stir briefly.
  3. Add the rinsed lentils, coconut milk, diced tomatoes, garbanzo beans, 4 cups of vegetable broth, grated ginger, grated lemongrass, turmeric, curry powder, and salt to the pot. Stir well to combine all ingredients.
  4. Close the Instant Pot lid, ensure the sealing valve is set to “Sealing.” Select “Manual” or “Pressure Cook” on high pressure and set the timer for 20 minutes. The pot will take approximately 10-15 minutes to come to pressure before cooking begins.
  5. Once the timer goes off, carefully perform a quick release of the pressure by turning the sealing valve to “Venting.” For a cleaner release, you may place a kitchen towel over the vent. Once the pressure is fully released and the float valve drops, remove the lid.
  6. Turn the sauté feature back on. Add the chopped greens (kale or spinach), diced red pepper, fresh lemon juice, and the remaining 2 cups of broth to the pot. Stir and bring the soup to a gentle simmer, cooking just until the greens are wilted and tender (about 2-3 minutes).
  7. Turn the Instant Pot off and serve your delicious Instant Pot Golden Lentil Soup hot. Enjoy!

Nutrition

Calories: 261 kcal, Carbohydrates: 28 g, Protein: 11 g, Fat: 12 g, Fiber: 9 g, Sugar: 8 g

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


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