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This Instant Pot red lentil soup is cozy, budget friendly, and easy to make with basic ingredients. It cooks quickly under pressure and has a soft, naturally creamy texture thanks to red lentils. The broth is layered with warm spices, lemon, and simple vegetables. Keep it vegan or add protein on the side if you prefer a heartier meal.
This is the kind of everyday soup that fits real life. One pot, minimal chopping, and dinner is on the table within about 30 minutes. It freezes well and reheats easily, so it is great for meal prep.
Why You Will Love This Red Lentil Soup
• High protein and naturally vegan
• Uses simple, inexpensive ingredients
• Cooks fast in the Instant Pot
• One pot and minimal cleanup
• Freezer friendly and great for batch cooking
• Easy to adapt with toppings or protein
Ingredients You Will Need
- 1 tablespoon neutral oil (olive, vegetable, or grapeseed)
- 1 small onion, chopped (about 1/4 cup)
- 4 garlic cloves, minced
- 2 small carrots, diced (about 1/2 cup)
- 1 small red pepper, finely chopped (optional)
- 1 stalk celery, finely diced
- 1/3 cup tomato sauce (or 1 tablespoon tomato paste)
- 1 tablespoon lemon juice
- 1 teaspoon ground cumin
- 1 teaspoon smoked paprika or sweet paprika
- 1/4 to 1/2 teaspoon turmeric
- 1 teaspoon salt
- 1/4 teaspoon black pepper
- Pinch of white pepper (optional)
- 1 1/2 cups red lentils, rinsed
- 1 bay leaf (optional)
- 5 cups vegetable or chicken stock
How To Make Instant Pot Red Lentil Soup
Step 1
Turn the Instant Pot to Saute and wait until hot. Add oil, onion, garlic, carrots, celery, and pepper if using. Cook about 5 minutes, stirring, until the vegetables soften.
Step 2
Stir in cumin, smoked paprika, turmeric, salt, black pepper, white pepper if using, and tomato sauce. Add rinsed lentils, lemon juice, stock, and bay leaf. Stir to combine and cancel Saute.
Step 3
Close the lid and set the valve to Sealing. Cook on Manual High Pressure for 7 to 8 minutes.
Step 4
Do a Quick Release. Stir. For a thicker, softer texture, you can allow 10 to 15 minutes before releasing.
Step 5
Taste and adjust seasoning. Serve as is or blend with an immersion blender for a smoother texture.
Ingredient Notes
Red lentils
Split or whole work. Split cook slightly faster and break down quickly.
Vegetables
Chop small so they soften within the short pressure cook time.
Tomato element
Tomato sauce adds depth. Tomato paste also works.
Stock
Vegetable or chicken.
Lemon juice
Adds brightness.
Bay leaf
Optional.
Red Lentil Soup Recipe Tips
• Rinse lentils well until water runs clear
• Chop vegetables small so they soften quickly
• Smoked paprika adds more flavor than sweet paprika
• Quick Release keeps lentils from getting overly soft
• Stir in lemon at the end and adjust to taste
• Soup thickens as it cools. Thin with water or stock when reheating
• Chill and freeze flat for efficient storage
• Add pre cooked chicken or beef after pressure cooking if desired
Variations
• Add cooked chicken or beef
• Serve with quinoa or rice
• Add curry paste or hot sauce for spice
• Make it creamy with coconut milk
• Leave chunky or blend until smooth
What To Serve With Red Lentil Soup
• Green salad
• Toasted sourdough
• Naan or flatbread
• Grilled cheese
Storage
Refrigerate
Up to 3 days in a sealed container
Freeze
Up to 2 months
Reheat
Microwave or stovetop. Thin with a splash of water or stock if needed.
Frequently Asked Questions
No, red lentils do not need to be rinsed. Just rinse them.
Yes, but increase cooking time to 13 to 15 minutes.
Add red pepper flakes, cayenne, hot sauce, or curry paste.
Yes, chicken stock can be used in this recipe.
Yes. Up to 2 months.
Optional. Blend all or partially for your preferred texture.

Great taste that I did. Save for next times do it, Thank you for sharing!
Yummy. Having this for dinner. Love you easy recipe for lentil soup.
Really tasty, thank you for sharing! The pressure cooking instructions are spot on.
I love this recipe and have made it many times. I make a batch on the weekend, and then eat it for a quick dinner during the week.