Warm up with a bowl of homemade goodness! This Instant Pot Vegetable Soup is a truly delightful and incredibly comforting meal that comes together quickly in your pressure cooker. It’s perfect for a nourishing vegetarian or vegan lunch or dinner, offering wholesome flavor without the long simmer.
As the leaves begin to turn and a crisp chill fills the air, our thoughts naturally drift towards cozy evenings and deeply satisfying, warm meals. Few dishes evoke that sense of comfort and home quite like a steaming bowl of vegetable soup. But who has hours to spend simmering on the stovetop when hunger calls? Enter the Instant Pot! This incredible kitchen appliance transforms classic, wholesome vegetable soup into a speedy weeknight wonder, delivering rich flavors in a fraction of the traditional cooking time.
Whether you’re a seasoned Instant Pot user or just starting your pressure cooking journey, this recipe is designed for simplicity and maximum flavor. It’s packed with vibrant vegetables, savory broth, and aromatic seasonings, making it a healthy and satisfying option for the whole family. Plus, it’s easily adaptable to suit your taste preferences or whatever fresh produce you have on hand.
If you enjoy this quick and comforting soup, you’ll also love exploring our other delicious Instant Pot creations. Be sure to check out our Instant Pot Cabbage Roll Soup, a hearty and flavorful twist on a classic, our creamy Instant Pot Butternut Squash Soup, and our wonderfully satisfying Instant Pot Navy Bean Soup.
New to using an Instant Pot? Make sure you read our beginner’s guide on “How to Use an Instant Pot” to get started and master your appliance!
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Why Choose the Instant Pot for Vegetable Soup?
The Instant Pot isn’t just a trend; it’s a game-changer, especially for soups. Here’s why it’s the ideal tool for creating this wholesome vegetable soup:
- Speed: Pressure cooking drastically reduces the time needed to soften vegetables and meld flavors. What traditionally takes hours on the stovetop is ready in minutes, making healthy homemade meals accessible even on busy weeknights.
- Flavor Development: The high-pressure environment forces flavors deep into the ingredients, resulting in a more intense and well-developed taste profile in a shorter period. It’s like a flavor accelerator!
- Nutrient Retention: Because food cooks quickly with less liquid evaporation, more vitamins and minerals are retained in the final dish compared to longer cooking methods.
- One-Pot Convenience: From sautéing your aromatics to simmering the entire soup, everything happens in one pot. This means less cleanup and a simpler cooking process.
Essential Ingredients for Your Instant Pot Vegetable Soup
Crafting a flavorful vegetable soup starts with high-quality, fresh ingredients. Here’s a closer look at what you’ll need and why each component is key:
- Olive Oil: Essential for sautéing the base vegetables and adding a foundational richness. Choose a good quality extra virgin olive oil for the best flavor.
- Fresh Aromatics (Onions, Celery, Carrots): Often referred to as a “mirepoix,” this classic trio forms the aromatic backbone of countless savory dishes, including this soup. Diced finely, they build a deep, sweet, and savory flavor foundation as they soften.
- Garlic: Freshly minced garlic is always preferred over dried garlic powder in this recipe. Its pungent, aromatic flavor truly brightens the soup and adds depth.
- Diced Tomatoes and Tomato Sauce: These provide a robust, slightly acidic, and rich tomato base that beautifully complements the vegetables. The diced tomatoes add texture, while the sauce contributes body and a smooth consistency.
- Vegetable Broth: This is your primary liquid, thinning the tomato base and infusing the soup with additional layers of savory flavor. Opt for a low-sodium vegetable broth if you prefer to control the salt content. Water can be used in a pinch, but broth offers superior flavor.
- Frozen Mixed Vegetables: The ultimate convenience! Frozen mixed vegetables are picked at their peak freshness and flash-frozen, locking in nutrients and flavor. They require no chopping and significantly speed up meal prep. We recommend a blend that includes carrots, potatoes, green beans, corn, and lima beans for a classic texture and taste. If you can find a mix with okra, even better – it adds a unique slight thickening and pleasant texture. Feel free to use your favorite mix!
- Seasonings (Bay Leaves, Italian Seasoning, Salt & Pepper): Bay leaves add a subtle, herbaceous note that deepens as the soup cooks. Italian seasoning, a blend of herbs like oregano, basil, thyme, and rosemary, offers a versatile and comforting flavor profile. Salt and freshly ground black pepper are crucial for enhancing all the other flavors and should always be adjusted to taste at the end.
Step-by-Step: How to Master Your Instant Pot Vegetable Soup
Making this soup in your Instant Pot is incredibly straightforward. Follow these simple steps for a perfect bowl every time:
- Sauté the Aromatics: Begin by setting your Instant Pot to the SAUTE function. Add the olive oil and allow it to heat for about a minute. Once shimmering, add the diced onions, celery, and carrots. Sauté them for approximately 5 minutes, stirring occasionally, until they begin to soften and become fragrant. This step is crucial for building a deep flavor base. Next, add the minced garlic and cook for just 1 to 2 more minutes, stirring constantly, until it’s wonderfully aromatic. Be careful not to burn the garlic!
- Combine Remaining Ingredients: After the garlic has infused its flavor, press CANCEL to turn off the SAUTE mode. Now, add the diced tomatoes (undrained), tomato sauce, vegetable broth, frozen mixed vegetables, bay leaves, Italian seasoning, and initial salt and pepper to the pot. Give everything a good stir to ensure it’s well combined.
- Pressure Cook to Perfection: Secure the lid onto your Instant Pot, making sure it’s locked properly. Turn the steam release valve to the SEALING position. Select the MANUAL or PRESSURE COOK setting (depending on your model) and set the cooking time to 15 minutes on HIGH pressure.
- Natural Release for Enhanced Flavor: Once the cooking cycle is complete and the Instant Pot beeps, allow the pressure to release naturally for 15 minutes. This “Natural Release” (NR) method is ideal for soups as it helps prevent sputtering, allows the flavors to continue melding, and ensures the vegetables are perfectly cooked without becoming mushy. After 15 minutes of natural release, carefully turn the steam release valve to the VENTING position to quick-release any remaining pressure.
- Season and Serve: Once the float valve drops and all pressure has been released, carefully remove the lid. Stir the soup and remove the bay leaves. Taste the soup and adjust the seasonings as needed, adding more salt and pepper to your preference. Serve hot and enjoy your delicious, homemade Instant Pot Vegetable Soup!
Customizing Your Instant Pot Vegetable Soup: Endless Possibilities
One of the best aspects of vegetable soup is its incredible versatility. This recipe is a fantastic starting point, but don’t hesitate to make it your own!
What are the Best Vegetables to Put In Soup?
While we love the convenience and nutrition of frozen mixed vegetables, the possibilities for fresh additions are endless. They require a bit more prep, but offer distinct textures and flavors. For best results with fresh veggies, ensure they are cut into roughly equal, bite-sized pieces for even cooking.
Some fantastic vegetables to consider for your soup include:
- Root Vegetables: Carrots, potatoes (Yukon Gold or red potatoes hold their shape best), parsnips, sweet potatoes. These add heartiness and a touch of natural sweetness.
- Leafy Greens: Spinach, kale, Swiss chard. Add these in during the last few minutes of natural release, or right after removing the lid, stirring until wilted.
- Cruciferous Vegetables: Cauliflower florets, broccoli florets, cabbage. Add these at the beginning, but be aware they can soften considerably.
- Legumes: Green beans, lima beans, English peas, corn. These are often found in mixed vegetable bags and add fiber and subtle sweetness.
- Other Favorites: Onions, celery, mushrooms, zucchini, yellow squash, bell peppers, okra (adds a slight thickening and unique texture).
Mix and match your favorite veggies to create a soup that perfectly suits your palate and uses up any produce you have in your fridge. For heartier vegetables like potatoes and carrots, ensure they are diced small enough to cook through in the pressure cooking time.
Can I Add Meat or Other Protein to this Soup?
Absolutely! While delicious as a vegetarian and vegan dish, you can easily incorporate protein to make it even more substantial. Here are a few ideas:
- Cooked Meats: Shredded leftover chicken or turkey, diced roast beef, or even leftover ham can be stirred in after the soup has finished pressure cooking, just enough to warm through. A rotisserie chicken is a great shortcut!
- Ground Meats: For ground beef, turkey, or chicken, brown it in the Instant Pot using the SAUTE function before adding the onions, celery, and carrots. Drain any excess fat, then proceed with the recipe. Season the ground meat with salt, pepper, garlic powder, or Italian seasoning as it browns to enhance its flavor.
- Plant-Based Proteins: For a heartier vegan option, consider adding canned and rinsed chickpeas, cannellini beans, or lentils (if using dried lentils, ensure they are specified as no-soak or adjust liquid accordingly, though most varieties cook well with the soup).
Elevate the Flavor: Extra Tips & Garnishes
Want to take your soup to the next level? Consider these enhancements:
- Fresh Herbs: A sprinkle of fresh parsley, basil, or chives just before serving adds brightness and a pop of color.
- A Dash of Acid: A squeeze of fresh lemon juice or a splash of apple cider vinegar at the end can brighten the flavors and make the vegetables sing.
- Heat: A pinch of red pepper flakes or a dash of hot sauce can add a subtle kick if you enjoy a bit of spice.
- Cheesy Goodness: For non-vegan versions, a sprinkle of grated Parmesan cheese or a dollop of pesto can add incredible richness.
- Crispy Toppings: Croutons, toasted seeds (like pumpkin or sunflower), or crispy fried onions add a delightful texture contrast.
Storing and Freezing Your Instant Pot Vegetable Soup
This soup is fantastic for meal prep! It tastes even better the next day as the flavors continue to meld. It’s also incredibly freezer-friendly, making it a perfect candidate for batch cooking.
To Store: Allow the soup to cool completely to room temperature before transferring it to airtight containers. Store in the refrigerator for up to 3-4 days.
To Freeze: The key to successful freezing is cooling. Once the soup is completely cool, portion it into freezer-safe containers, heavy-duty freezer bags (laid flat for easy stacking), or even individual servings in muffin tins (once frozen solid, pop them out and store in a freezer bag). It can be stored in the freezer for up to 3 months. Avoid freezing if you added potatoes and plan to reheat multiple times, as potatoes can sometimes get a mealy texture after freezing and thawing, though often it’s still perfectly fine for soup.
To Reheat: When you’re ready to enjoy, simply transfer the frozen soup to your refrigerator to defrost overnight. Once thawed, you can reheat it gently on the stovetop over medium heat until warmed through, or in the microwave in individual portions. Add a splash of extra broth or water if it seems too thick after reheating.
More Delicious Instant Pot Soup Recipes to Try
The Instant Pot is a soup-making superstar! If you’re looking for more comforting and convenient soup ideas, explore some of our other favorites:
- Instant Pot Loaded Cauliflower Soup – A creamy, low-carb delight.
- Pressure Cooker Taco Soup {Instant Pot} – A flavorful and hearty weeknight meal.
- Easy Carrot Soup {Instant Pot & Stove Top Instructions} – Sweet, simple, and satisfying.
- Creamy Asparagus Soup {Instant Pot & Stove Top} – Elegant and effortlessly smooth.
- Instant Pot Big Mac Soup {Low Carb} – A fun, guilt-free twist on a classic.
- Low Carb Instant Pot Sausage and Kale Soup – Packed with flavor and wholesome greens.
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Instant Pot Vegetable Soup Recipe
Servings: 10
Prep Time: 5 mins
Cook Time: 40 mins
Total Time: 45 mins
Created By: Kat Jeter & Melinda Machado
A delightful, comforting vegetable soup made effortlessly in your Instant Pot. Perfect for a healthy vegetarian or vegan lunch or dinner any day of the week.
Print Recipe
Ingredients
- 1 tablespoon Olive oil
- 3.5 ounces Onion, diced
- 3.5 ounces Celery, finely diced
- 3.5 ounces Carrot, finely diced
- 1 clove Garlic, minced
- 15 ounces (1 can) Diced tomatoes
- 15 ounces (1 can) Tomato sauce
- 6 cups Vegetable broth
- 16 ounces Frozen mixed vegetables (ensure blend includes carrots, potatoes, green beans, corn, and lima beans. Okra is a bonus!)
- 1/2 teaspoon Salt
- 1/4 teaspoon Pepper
- 2 teaspoons Italian Seasoning
Instructions
- Set your Instant Pot to SAUTE mode and add the olive oil. Once hot, add the diced onion, celery, and carrots. Cook for about 5 minutes until softened. Add the minced garlic and cook for an additional 1-2 minutes until fragrant, being careful not to burn it.
- Press CANCEL on the Instant Pot. Add the diced tomatoes (undrained), tomato sauce, vegetable broth, frozen mixed vegetables, salt, pepper, and Italian seasoning to the pot. Stir gently to combine all ingredients.
- Secure the lid on the Instant Pot and ensure the steam release valve is set to SEALING. Cook on HIGH pressure for 15 minutes.
- Once the cooking cycle is complete, allow the pressure to release naturally for 15 minutes (Natural Release). After 15 minutes, carefully turn the valve to VENTING to release any remaining steam.
- Unlock and remove the lid. Stir the soup, remove any bay leaves (if used), and taste. Adjust salt and pepper to your preference. Serve hot and enjoy!
Nutrition Facts (Estimated per serving)
Serving Size: 8 ounces
- Calories: 77 kcal
- Carbohydrates: 14 g
- Protein: 3 g
- Fat: 2 g
- Saturated Fat: 1 g
- Sodium: 1001 mg
- Potassium: 394 mg
- Fiber: 4 g
- Sugar: 5 g
- Vitamin A: 4547 IU
- Vitamin C: 13 mg
- Calcium: 46 mg
- Iron: 1 mg
Nutrition Disclaimer: We are not certified nutritionists. Nutrition facts are an estimate and are provided as a courtesy. They are generated by an online API which recognizes ingredient names and amounts and makes calculations based on the serving size. Results may vary and should be considered approximations.
Course: Main
Cuisine: American
