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How Long to Soak Lentils (Sabut Masoor / Whole Red Lentils)

By the CookTimeGuide Editorial TeamKitchen-tested Jan 2026

Recommended Soaking Time

4 hours

Range: 2-6 hours

Water Ratio

1 part lentils to 3 parts water

Overnight OK?

Yes, safe overnight

Method

Rinse lentils 2-3 times and soak in water. Whole masoor dal benefits from soaking but can also be cooked without it.

Signs of Ready

Lentils swell slightly and the brown skin begins to loosen.

Tips

  • Split masoor dal does not need soaking, but whole masoor benefits from it.
  • Soaking reduces cooking time by nearly half.
  • Excellent in dal makhani when combined with urad dal.

Cooking After Soaking

MethodCooking Time
pressure cooker10-12 minutes (2-3 whistles)
stovetop25-35 minutes on medium heat
instant pot8-10 minutes on high pressure with natural release

Frequently Asked Questions

How long should I soak Lentils (Sabut Masoor / Whole Red Lentils)?

4 hours is the sweet spot for lentils (sabut masoor / whole red lentils) (range: 2-6 hours). Under-soaking leads to uneven cooking, and you will know it is ready when lentils swell slightly and the brown skin begins to loosen.

Can I soak Lentils (Sabut Masoor / Whole Red Lentils) overnight?

Yes. Overnight soaking (8-12 hours) works well for lentils (sabut masoor / whole red lentils) and is the most practical approach if you plan to cook them the next day. After soaking, lentils (sabut masoor / whole red lentils) cooks in 10-12 minutes (2-3 whistles) via pressure cooker.

What is the water ratio for soaking Lentils (Sabut Masoor / Whole Red Lentils)?

Use 1 part lentils to 3 parts water (water to lentils (sabut masoor / whole red lentils)). Lentils (Sabut Masoor / Whole Red Lentils) expands during soaking, so start with a bowl at least twice the volume of the dry product to avoid overflow.

How do I know when Lentils (Sabut Masoor / Whole Red Lentils) is done soaking?

Lentils swell slightly and the brown skin begins to loosen. If you are unsure, cut one in half - the inside should be uniform in color with no dry, opaque core.

Can I use hot water to soak Lentils (Sabut Masoor / Whole Red Lentils)?

Cold or room-temperature water only for lentils (sabut masoor / whole red lentils). Hot water partially cooks the outside while the inside stays dry, resulting in a mushy exterior and hard center.