Red Lentil
Lens culinaris · Also known as Masoor Dal, Laal Daal, Red Gram, Lens culinaris
Red lentil (masoor dal) is a small, lens-shaped pulse with a warm orange-red hue that turns golden when cooked. Quick to soften and naturally mild, it forms the backbone of everyday Indian dal - from the silky sambar of South India to the comforting khichdi of the North. A staple...
Nutrition per 100 g
Mean values ± IFCT published SD (edible portion).
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Classification
About Red Lentil
What it is
Red lentil (masoor dal) is a small, flat, lens-shaped pulse with a warm orange-red exterior that becomes golden when cooked. Unlike whole masoor (which retains its skin), the split red lentil cooks down to a creamy, almost porridge-like consistency within 15-20 minutes, making it one of the fastest-cooking dals in the Indian kitchen. It is the most widely consumed pulse across India - North to South, urban to rural - and forms the foundation of countless everyday meals. (IFCT 2017, Ref #B013)
Use in Indian Kitchen
Red lentil is the workhorse of Indian dal cookery. In the South, it is the base of sambar (spiced vegetable stew) and rasam (tangy lentil soup), often tempered with mustard seeds, curry leaves, and dried chillies. In the North, it appears in simple tadka dal (tempered with ghee and cumin), khichdi (rice and lentil comfort food), and dal makhani when enriched with cream. It pairs beautifully with tamarind, turmeric, and asafoetida, and takes well to both dry tempering and wet curries. A practical tip: rinse red lentil well before cooking to remove dust and surface starch, which helps it cook evenly and reduces bloating.
Key Nutrients
Red lentil is rich in plant-based protein (around 25% by weight when dry), dietary fibre, and complex carbohydrates. It contains iron, folate, magnesium, and polyphenols (antioxidants). Exact nutrient composition per 100g is available in IFCT 2017, Ref #B013.
Health Benefits (Evidence-based)
- High in plant protein and fibre, supporting satiety and steady blood sugar levels.
- Rich in folate, which supports red blood cell formation and is especially important during pregnancy and lactation.
- Contains polyphenols and other antioxidants linked to reduced inflammation and oxidative stress.
- Low glycaemic index when cooked, making it suitable for balanced meals.
- Traditionally valued in Ayurvedic cooking for its light, easily digestible nature.
- May help support heart health when part of a fibre-rich, plant-forward diet.
Culinary Uses (Vegetarian)
- Sambar - South Indian spiced lentil and vegetable stew.
- Rasam - tangy, aromatic lentil soup with tamarind and spices.
- Tadka dal - simple tempered lentil with ghee, cumin, and asafoetida.
- Khichdi - comfort rice and lentil one-pot with ghee and mild spices.
- Dal makhani - creamy lentil curry enriched with cream and butter (North Indian style).
- Lentil soup - blended smooth with vegetables and spices for a modern twist.
- Dosa and idli batter - when ground with rice for South Indian fermented breads.
Caution
- Raw or undercooked lentils contain enzyme inhibitors and lectins; always cook thoroughly.
- Those with IBS or sensitive digestion may find whole red lentil easier to tolerate than split varieties; start with small portions.
- High fibre content may cause bloating if intake is increased suddenly; introduce gradually and drink adequate water.
- Individuals on certain medications (e.g. blood thinners) should consult a healthcare provider, as high vitamin K content in leafy greens paired with lentils may interact.
References
- Indian Council of Medical Research - National Institute of Nutrition (ICMR-NIN). Indian Food Composition Tables (IFCT 2017). Reference #B013 (Grain Legumes - Red Lentil).
- Vaya, J. & Mahmood, U. (2006). Polyphenol content in plant foods and its effect on health. Current Medicinal Chemistry, 13(16), 1860-1874.
Health Benefits
- Supports Digestion
- Supports Heart Health
- Helps Blood Sugar Control
- Provides Iron
- Provides Satiety
Sourcing & Storage
Storage
Store red lentil in an airtight container (glass jar, metal tin, or food-grade plastic) in a cool, dry place away from direct sunlight and moisture. Keep away from strong-smelling foods, as lentils absorb odours easily. In humid climates (monsoon or coastal regions), store in the refrigerator or freezer to prevent moisture absorption and pest infestation. Ensure the container is sealed tightly after each use.
Shelf Life
When stored in an airtight container in a cool, dry place, red lentil keeps for 6-12 months. In humid conditions or after opening, use within 3-4 months for best quality and flavour. Once cooked, dal keeps refrigerated for 3-4 days and can be frozen for up to 2-3 months.
Check Before You Buy
Look for bright, uniform orange-red colour with no dull or greyish patches, which may indicate age or moisture damage. The lentils should be whole and free of cracks, stones, or debris. Smell the dal - it should have a mild, clean, slightly earthy aroma with no musty or off odours. Buy from reputable kirana shops or mandi vendors with good turnover, or choose sealed, branded packs with a clear date stamp. Avoid lentils that feel damp or clumpy, as this signals moisture exposure.
In Ayurveda
In classical Ayurveda, red lentil (masoor dal) is considered laghu (light) and ruksha (dry) in nature, making it easier to digest compared to heavier legumes. It is traditionally used to balance Kapha and Pitta doshas, though in excess it may aggravate Vata due to its drying quality. Ayurvedic texts recommend pairing it with warming spices (cumin, ginger, turmeric) and ghee to enhance digestibility and reduce gas formation. It is often recommended in convalescent diets and as a staple protein source for maintaining general wellness.
