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Lentils (Daal) 101: Protein, Iron & Cooking Guide

Cheap, fast, packed with nutrients. A practical handbook to the most underrated food in your kitchen.

Desi Bites Kitchen·Updated 22 May 2026·dal · lentils · protein
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Bowls of colorful raw lentils — masoor, moong, chana and rajma
Bowls of colorful raw lentils — masoor, moong, chana and rajma

The lineup

  • Masoor (red lentil) — fastest cook (~20 min), softest
  • Moong (mung) — easy to digest, mild
  • Chana dal (split chickpea) — sweet, holds texture, longer cook
  • Toor / arhar — common in tadka dal
  • Urad (black lentil) — used in dal makhani
  • Rajma (kidney bean) — needs overnight soak

Why lentils punch above their weight

100 g raw masoor gives:

  • Protein: 25 g
  • Fibre: 11 g
  • Iron: 7 mg
  • Folate: 70 % daily value
  • Cost: less than meat by a wide margin

Per cooked cup (~200 g), you typically get 18 g protein and 8 g fibre — see Harvard's lentils nutrition overview.

Iron absorption — the lemon trick

Lentils contain non-heme iron, which the body absorbs less efficiently than the heme iron in meat. The fix is simple: pair with vitamin C. A squeeze of lemon over dal, fresh tomato in chana masala, or a side of kachumber salad can double iron absorption from the same plate. The NIH iron fact sheet covers the mechanism.

Cooking notes

  • Soak chana dal and rajma for 4–8 hours — cuts cook time and improves digestibility
  • Skim the foam during the first boil — removes some compounds linked to bloating
  • Add tadka at the end — preserves the volatile aroma compounds in cumin and chilli
  • Salt last — added too early, salt can toughen the skins

Build the rest of your week around dal

Putting it all together

Lentils are the most efficient food on the desi table — protein, fibre, iron, folate, all for pocket change. Keep at least two dals stocked at all times and rotate them through the week.

FAQ

Frequently asked questions

Sources

Verified references

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