How To Cook Lentils In The Instant Pot

ByLily

Using an Instant Pot for lentils means set-and-forget cooking with perfectly consistent results every time. If you want to know how to cook lentils in the instant pot, this guide gives you exact times, water ratios, and simple steps for every type of lentil.

Lentils are cheap, healthy, and fast. The Instant Pot makes them even easier because you don’t have to watch the pot or stir constantly.

Below you’ll find a clear outline, cooking charts, and tips that work for brown, green, red, and black lentils.

Quick Outline: What This Guide Covers

  • Why the Instant Pot works so well for lentils
  • Water-to-lentil ratios for each type
  • Step-by-step cooking instructions
  • Natural release vs quick release
  • Seasoning and flavor ideas
  • Common mistakes to avoid
  • How to store and reheat leftovers

Why Use An Instant Pot For Lentils?

The Instant Pot cooks lentils in a sealed, pressurized environment. This means no evaporation, no scorching, and no need to babysit the pot.

You add lentils, water, and salt. Then you press a button. That’s it.

Compared to stovetop cooking, the Instant Pot is faster and more consistent. Red lentils cook in about 5 minutes. Brown and green lentils take 10 to 15 minutes. Black lentils need around 20 minutes.

You also get hands-off cooking. You can walk away, prep other food, or clean the kitchen while the pot does the work.

How To Cook Lentils In The Instant Pot

This is the core method. Follow these steps for any lentil variety, then adjust the time using the chart below.

Step 1: Rinse The Lentils

Pour your lentils into a fine-mesh strainer. Rinse them under cold running water for 30 to 60 seconds.

Pick out any small stones or shriveled lentils. This takes a minute but saves your teeth.

Step 2: Add Lentils And Water To The Pot

Use a 1:2 ratio for most lentils. That means 1 cup of dry lentils to 2 cups of water or broth.

For red lentils, use 1:1.5. For black lentils, use 1:2.5.

Add a half teaspoon of salt per cup of lentils. Salt helps flavor the lentils from the inside.

Step 3: Lock The Lid And Set The Valve

Place the lid on the Instant Pot and turn it until it locks. Set the steam release valve to “Sealing.”

If your valve is set to “Venting,” the pot won’t build pressure and the lentils won’t cook properly.

Step 4: Choose The Right Setting And Time

Press the “Pressure Cook” or “Manual” button. Set the timer based on your lentil type:

  • Red lentils: 4 to 5 minutes
  • Brown lentils: 10 to 12 minutes
  • Green lentils: 12 to 15 minutes
  • Black (beluga) lentils: 18 to 20 minutes

Use high pressure for all types. Low pressure works but takes longer and gives less consistent results.

Step 5: Release The Pressure

For red lentils, do a quick release. Turn the valve to “Venting” and let the steam escape.

For brown, green, and black lentils, let the pressure release naturally for 10 minutes. Then turn the valve to “Venting” to release any remaining steam.

Natural release keeps the lentils intact. Quick release makes them softer and more broken.

Step 6: Fluff And Season

Open the lid carefully. The steam is hot. Stir the lentils with a fork.

Taste and add more salt, pepper, or spices. If the lentils look too wet, press “Saute” and cook for 2 to 3 minutes to evaporate extra liquid.

Lentil Cooking Times And Water Ratios Chart

  • Red lentils: 1 cup lentils + 1.5 cups water, 4 to 5 minutes, quick release
  • Brown lentils: 1 cup lentils + 2 cups water, 10 to 12 minutes, 10-minute natural release
  • Green lentils: 1 cup lentils + 2 cups water, 12 to 15 minutes, 10-minute natural release
  • Black lentils: 1 cup lentils + 2.5 cups water, 18 to 20 minutes, 10-minute natural release

These times are for dry lentils. Soaked lentils cook faster, so reduce the time by 2 to 3 minutes.

Tips For Perfect Instant Pot Lentils

  • Don’t overfill the pot. Leave at least 2 inches of space at the top. Lentils foam during cooking.
  • Add acidic ingredients like tomatoes or lemon juice after cooking. Acid slows down softening.
  • Use broth instead of water for more flavor. Vegetable or chicken broth works great.
  • Add aromatics like garlic, onion, or bay leaf before cooking. They infuse the lentils.
  • If lentils are still firm after cooking, add 1/4 cup water and pressure cook for 2 more minutes.

Common Mistakes To Avoid

Using The Wrong Water Ratio

Too little water causes burning. Too much water makes mushy lentils. Stick to the chart above.

Skipping The Rinse

Unrinsed lentils have dust and debris. Always rinse them first.

Forgetting To Set The Valve To Sealing

This is the most common Instant Pot mistake. If the valve is open, pressure never builds.

Quick Releasing Brown Or Green Lentils

Quick release can split the skins and make the lentils fall apart. Use natural release for firmer lentils.

Flavor Ideas For Cooked Lentils

Plain lentils are boring. Here are simple ways to season them after cooking:

  • Stir in olive oil, lemon juice, and chopped parsley
  • Add curry powder, cumin, and coconut milk
  • Mix in salsa, cilantro, and lime juice for a Mexican twist
  • Toss with balsamic vinegar, Dijon mustard, and red onion
  • Add soy sauce, sesame oil, and green onions for an Asian flavor

How To Store And Reheat Lentils

Cooked lentils keep in the fridge for 4 to 5 days. Store them in an airtight container.

You can also freeze cooked lentils for up to 3 months. Portion them into freezer bags and flatten them for quick thawing.

To reheat, add a splash of water or broth. Microwave for 1 to 2 minutes, or warm them on the stovetop over low heat.

Final Thoughts

Cooking lentils in the Instant Pot is simple once you know the right times and ratios. Red lentils take 5 minutes. Brown and green lentils take 10 to 15 minutes. Black lentils take about 20 minutes.

Rinse, add water, set the valve to sealing, and press start. The pot handles the rest.

Use the chart in this guide, avoid the common mistakes, and you’ll get perfect lentils every single time.

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