Instant Pot Lentil Soup with Butternut Squash: Your New Go-To Cozy Meal

Embrace the warmth and incredible flavor of this Instant Pot Lentil Soup with Butternut Squash. This recipe isn’t just a meal; it’s a comforting hug in a bowl, perfect for any season, but especially inviting as temperatures begin to drop. It’s remarkably easy to prepare, bursting with nutrients, and incredibly satisfying.

This vibrant soup is absolutely brimming with wholesome vegetables. While not intentionally designed for specific dietary restrictions, it naturally comes out allergen-free, vegan, and vegetarian-friendly, making it a fantastic option for a wide range of eaters. You’ll be amazed at how simple it is to create such a rich and complex flavor profile using everyday ingredients.

My inspiration for this recipe came from a common kitchen dilemma: leftover vegetables after hosting a Friendsgiving feast. Instead of letting those beautiful veggies go to waste, I transformed them into this delightful Instant Pot lentil soup. It’s an ingenious way to repurpose ingredients, ensuring nothing goes bad while rewarding you with a deeply flavorful and comforting dish. This soup exemplifies smart cooking and sustainable eating at its best.

As the days grow shorter and the air gets crisp, having a recipe like this in your repertoire is a game-changer. The Instant Pot ensures a quick turnaround, delivering a hearty, homemade meal with minimal effort. Trust us, once you try this Instant Pot lentil soup, it will become a regular fixture in your meal rotation, providing warmth and nourishment whenever you need it.

Speaking of quick meals, who doesn’t adore the efficiency of an Instant Pot or pressure cooker? This Instant Pot lentil soup truly lives up to the promise of speed and convenience. From start to finish, you can have a piping hot bowl of delicious soup on your table in less than 30 minutes. The actual cook time under pressure is a mere 8 minutes. Factor in the time for the pot to come to pressure, and you’re still enjoying a gourmet-quality lentil soup in a fraction of the time it would take using traditional methods. Say goodbye to long simmering times and hello to speedy, flavorful satisfaction!

Understanding the Instant Pot: Your Kitchen MVP

An Instant Pot is far more than just a fancy pressure cooker; it’s a versatile multi-cooker that has revolutionized home cooking. While it operates on the same fundamental principle as traditional stovetop pressure cookers – using steam pressure to cook food much faster – the Instant Pot offers enhanced technology and an array of functions that make it incredibly user-friendly and indispensable in a modern kitchen.

Beyond high-pressure cooking, most Instant Pot models can also sauté, slow cook, steam, make rice, warm food, and even make yogurt. Its integrated safety features and programmable settings remove the guesswork and anxiety often associated with older pressure cookers. This makes it an ideal appliance for busy individuals or anyone looking to prepare healthy, delicious meals with maximum efficiency and minimal fuss. For recipes like this lentil soup, it truly shines, transforming dried legumes and firm vegetables into tender, flavorful dishes in record time.

Slow Cooker Alternative: A Gentle Simmer for Rich Flavors

While this recipe is optimized for the Instant Pot’s speed, you can certainly adapt this lentil soup for a slow cooker. Although I haven’t personally tested this exact recipe in a slow cooker, the process is straightforward for most soups. To achieve similar results, you would likely cook it on the LOW setting for approximately 4-6 hours, or on HIGH for 2-3 hours. The slow cooker method will yield a deeper, more mellow flavor as the ingredients meld together over a longer period, resulting in an equally comforting but different culinary experience. Just ensure your lentils are fully tender before serving.

Stovetop Method: Traditional & Rewarding

Absolutely, this lentil soup can be prepared on the stovetop. It will require a bit more active cooking time and attention compared to the Instant Pot, but the results will still be delicious. After sautéing any aromatics, you would combine all ingredients (except the kale) in a large pot, bring it to a boil, then reduce heat and simmer until the lentils and vegetables are tender. I would estimate the cooking time on the stovetop to be around 45-60 minutes, possibly longer, depending on your stove and the size of your lentil and vegetable pieces. Since I primarily use my Instant Pot for lentils due to its efficiency, my stovetop timing is an approximation, so keep an eye on your soup and adjust as needed to ensure everything is perfectly cooked.

Bean Substitutions: What You Need to Know

You can certainly experiment with different types of dried beans in this soup, but be aware that substituting will likely alter the cooking time significantly. Larger, harder beans such as kidney beans, black beans, or chickpeas will require a longer cooking duration in the Instant Pot, often needing pre-soaking or separate cooking to ensure they become tender without overcooking the vegetables. If you’re using a different type of legume, it’s recommended to consult specific Instant Pot cooking times for that particular bean to avoid undercooked or overly mushy results. For this recipe, brown or green lentils are ideal as they hold their shape well and cook relatively quickly.

Why Dried Lentils Are Best for This Recipe

For this specific Instant Pot recipe, I strongly advise against using canned lentils or canned beans. Here’s why: dried lentils require a significant amount of cooking time to become tender, a process that the Instant Pot excels at. Canned lentils are already cooked and tender. Adding them at the beginning of the Instant Pot cooking cycle would result in them becoming completely mushy and losing their texture, which is crucial for a satisfying soup. If you absolutely must use canned lentils, add them *after* the pressure cooking cycle is complete, along with the kale, and simply heat through. However, for the best texture and flavor as intended by this recipe, always opt for dried lentils.

Endless Vegetable Possibilities: Customize Your Soup

This lentil soup is incredibly forgiving and adaptable, making it perfect for using up whatever vegetables you have on hand. Root vegetables like parsnips, turnips, or sweet potatoes would be excellent additions, providing more depth and sweetness. For heartier vegetables like potatoes or denser squash varieties, ensure they are cut into similar 1-inch pieces as the butternut squash to ensure even cooking.

If you plan to incorporate more delicate vegetables, such as spinach, zucchini, bell peppers, or green beans, it’s best to add them *after* the pressure cooking cycle is complete. The residual heat from the soup will gently cook them to perfection, preventing them from becoming overcooked and mushy. You can also add fresh herbs like parsley or cilantro at this stage for a burst of fresh flavor. Don’t be afraid to experiment and make this soup uniquely yours!

Adding Protein: Making Your Soup Even More Substantial

Absolutely! If you’re looking to add an extra layer of protein and richness to your lentil soup, meat is a fantastic option. Lean ground turkey, chicken sausage, or diced ham would integrate beautifully. For ground meats, you can use the Instant Pot’s “Sauté” function to brown the meat before adding the other ingredients. If using pre-cooked chicken or sausage, you can add it along with the vegetables to heat through. For raw chicken pieces or denser cuts of meat, you might need to adjust the cooking time slightly to ensure they are fully cooked and tender. This addition can transform the soup into an even heartier meal, perfect for colder days or those needing more sustenance.

Elevating Your Lentil Soup: Tips and Pairings

Beyond the core recipe, there are many ways to enhance the flavor and serving experience of your Instant Pot Lentil Soup. A squeeze of fresh lemon juice or a splash of apple cider vinegar at the end can brighten all the flavors. A drizzle of high-quality extra virgin olive oil before serving adds a luxurious finish. For those who enjoy a little spice, a pinch of red pepper flakes or a dash of hot sauce can provide a delightful kick.

Consider garnishes to elevate your soup from simple to spectacular:

• Freshly chopped herbs like parsley, cilantro, or chives.
• Homemade croutons for a delightful crunch.
• A dollop of plain Greek yogurt or sour cream (for non-vegans) for creamy richness.
• Toasted pumpkin seeds or sunflower seeds for added texture and nutrients.

This hearty soup pairs wonderfully with a variety of sides. A classic choice is a slice of warm, crusty bread or a baguette, perfect for soaking up every last drop. A simple green salad with a light vinaigrette makes for a refreshing contrast, or you could serve it alongside a grilled cheese sandwich for the ultimate comfort food combination. The versatility of this soup means it can be a light lunch or a fulfilling dinner entrée.

Smart Storage: Enjoy Your Soup All Week Long

One of the best qualities of this Instant Pot Lentil Soup is how well it holds up for meal prep. It tastes even better the next day as the flavors continue to meld and deepen.

• **Refrigeration:** Store any leftovers in an airtight container in the refrigerator for up to 4-5 days.
• **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, or in the microwave, until warmed through. You might need to add a splash of vegetable stock or water to thin it out if it has thickened too much in storage.

Having this healthy, ready-to-eat soup on hand can save you time and ensure you have nutritious options during busy weekdays.

More Cozy Soup Recipes to Explore:

If you loved this Instant Pot Lentil Soup, you might also enjoy these other comforting soup recipes:

• Instant Pot Curried Coconut Lentil Soup
• Instant Pot Sausage and Herbed White Bean Soup
• Creamy White Bean and Bacon Soup
• Butternut Squash White Bean Kale Soup
• Slow Cooker Smokey Ham and Split Pea Soup
• Lentil Vegetable Soup

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4.30 from 10 votes

Instant Pot Lentil Soup with Butternut Squash

By:
Julie Chiou

A quick lentil soup made in the Instant Pot and loaded with veggies for a deliciously cozy soup for any time of year!

Prep Time:

15 minutes minutes

Cook Time:

8 minutes minutes

Time for Instant Pot to pressurize:

10 minutes minutes

Total Time:

33 minutes minutes

Servings:
2

Equipment

• Instant Pot

Ingredients

• 2 ½ cups (592 ml) vegetable stock
• 1 ¼ cups (240 g) dried lentils
• 1 ½ cups (210 g) butternut squash, cubed into 1-inch pieces
• 4 large carrots, cut into large 2-inch pieces
• 4 stalks of celery, cut into large 2-inch pieces
• 1 medium onion, quartered
• 15 ounce (425 g) diced fire-roasted tomatoes
• Handfuls of chopped lacinato kale (or dinosaur kale)
• Salt and pepper, to taste

Instructions

1. Add vegetable stock and dried lentils into the insert of the Instant Pot and stir.
   2 1/2 cups (592 ml) vegetable stock,
   1 1/4 cups (240 g) dried lentils
2. Add the butternut squash, carrots, celery, and onion in. Stir gently to combine.
   1 1/2 cups (210 g) butternut squash,
   4 large carrots,
   4 stalks of celery,
   1 medium onion
3. Carefully dump the diced fire-roasted tomatoes (including their liquid) on TOP of all the other ingredients. DO NOT STIR. Allow them to sit as a layer on top. This prevents the “Burn” notice and ensures proper pressure build-up.
   15 ounce (425 g) diced fire-roasted tomatoes
4. Secure the Instant Pot lid, ensuring the vent is turned to the “Sealing” position. Press the “Soup” button on your Instant Pot and adjust the time to 8 minutes. Alternatively, you can press “Manual” (or “Pressure Cook”) and set it to high pressure for 8 minutes.
5. Once the cooking cycle is complete, carefully perform a manual quick release by flipping the vent to the “Venting” position. Stand back and allow all the steam to escape before opening the lid.
6. Once the pressure is fully released and the lid can be opened, add in the chopped lacinato kale. Stir it into the hot soup; the residual heat will quickly wilt and cook the kale to tender perfection.
   Handfuls of chopped lacinato kale (or dinosaur kale)
7. Taste the soup and season generously with salt and pepper, adjusting to your preference. Serve hot and enjoy with your favorite crusty bread or preferred toppings!
   Salt and pepper

Nutrition

Serving: 1Serving,
Calories: 342kcal,
Carbohydrates: 84g,
Protein: 25g,
Fiber: 32g,
Sugar: 16g

Disclaimers

This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition information can vary for a variety of reasons. For the most precise nutritional data use your preferred nutrition calculator based on the actual ingredients you used in the recipe.

The default measuring system for this website is US Customary. Unit conversions are provided for convenience and as a courtesy only. While we strive to provide accurate unit conversions, please be aware that there may be some discrepancies.