Nutrition 12 May 2026 · 16 min read

Urad Dal (Ulundhu): Iron, Safety & Tamil Recipes

Urad dal (ulundhu) provides 7.1mg iron per 100g. Safe in pregnancy in moderation. Postpartum benefits, sunnundalu recipe, and 5 South Indian recipes.

Ms. Elakiya Ravichandran
Ms. Elakiya Ravichandran
Nutritionist, Fertilia Health
Postgraduate in Food & Nutrition
Urad Dal (Ulundhu): Iron, Safety & Tamil Recipes

Key Takeaways

  • Whole black urad dal contains 25.1g protein, 9.1mg iron, 154mg calcium, and 18.3g dietary fibre per 100g raw (ICMR-NIN 2017).
  • Split white urad dal (husked) is the version used for idli and dosa batter and is gentler on digestion due to lower fibre.
  • Tamil name ulundhu, Telugu sunnundalu/minumulu, Malayalam uzhunnu, Kannada uddina bele, Hindi urad.
  • Traditional postpartum food across Tamil Nadu, Andhra Pradesh, and Karnataka: ulundhu kanji and sunnundalu are made in the first six weeks after delivery.
  • Five South Indian recipes: ulundhu kanji, sunnundalu laddoo, urad dal khichdi, idli batter tips, and medu vada.
  • Life-stage portions: 30g dry daily for PCOS, 40g daily during pregnancy, 30g cooked in the first postpartum week building to 40g by week four.

If you grew up in a Tamil household, you know the smell of ulundhu kanji on a cold morning. That thick, warming porridge that grandmothers would make for new mothers, for growing teenagers who played sport, and for anyone who needed to eat something genuinely nourishing before a long day. Urad dal, or ulundhu as it is called in Tamil, has been a fixture of South Indian kitchens for as long as anyone can remember.

The same dal that makes idli soft and vada crispy is also one of the most iron-rich and protein-dense pulses in the Indian pantry. This guide covers everything you need to know to use urad dal well: the two main forms you will find at the kirana store, nutritional data based on ICMR-NIN 2017, South Indian regional names, life-stage portions for PCOS, pregnancy, and postpartum, five practical recipes, and a storage guide.

For a broader look at how iron-rich foods fit into a pregnancy eating plan, our complete iron-rich Indian foods guide for pregnancy covers the full list with daily meal plans.


Two Forms of Urad Dal: What to Buy

Walk into any South Indian grocery store and you will find urad dal in two forms. Understanding the difference helps you choose the right one for each use.

Whole black urad dal (sabut urad): The full pulse with the dark outer husk intact. Darker in colour, slightly earthy in flavour, and higher in fibre and iron because the husk contains a significant share of both. Used for dal makhani, ulundhu kanji, and sprouting. Needs longer soaking (6 to 8 hours) and longer cooking (20 to 25 minutes in a pressure cooker).

Split white urad dal (dhuli urad / husked): The same dal with the husk removed and split. Pale cream or off-white in colour. The husking reduces fibre from 18.3g to 13.7g per 100g and iron from 9.1mg to 7.3mg, but makes the dal significantly easier to digest. This is the version used for idli and dosa batter, sunnundalu laddoo, and postpartum cooking where digestive comfort matters. Soaking time is shorter (2 to 4 hours) and cooking is faster.

For most postpartum recipes and early-digestion situations, split white urad dal is the better choice. For everyday cooking, sprouting, or maximum nutrition density, whole black urad is the version to reach for.


Nutritional Facts: Urad Dal (ICMR-NIN 2017)

The table below uses data from ICMR-NIN 2017 Nutritive Value of Indian Foods, the standard reference for Indian food composition.

NutrientWhole black urad (per 100g raw)Split white urad (per 100g raw)
Energy347 kcal341 kcal
Protein25.1 g24.0 g
Fat1.6 g1.4 g
Carbohydrate59.0 g59.6 g
Dietary Fibre (TDF)18.3 g13.7 g
Iron9.1 mg7.3 mg
Calcium154 mg138 mg
Phosphorus385 mg379 mg

Source: ICMR-NIN 2017 Nutritive Value of Indian Foods, National Institute of Nutrition, Hyderabad.

At 9.1mg iron per 100g, whole black urad is one of the iron-richest dals in the Indian kitchen. For comparison, rajma (kidney beans) provides 5.1mg and moong dal whole provides 6.7mg per 100g (ICMR-NIN 2017). The calcium figure (154mg for whole, 138mg for husked) is also higher than most other dals, making urad dal a meaningful source of both minerals for women at any life stage.


South Indian Regional Names

Urad dal is one of those ingredients that has a different name in nearly every South Indian language. Knowing the local name is useful when you are reading a traditional recipe or asking at a regional grocery store.

LanguageNameNotes
TamilUlundhu (உளுந்து)Whole black: ulundhu; split white: ulundhu paruppu
TeluguMinumulu / SunnundaluSunnundalu refers specifically to the laddoo made from roasted urad
MalayalamUzhunnu (ഉഴുന്ന്)Uzhunnu vada is the local version of medu vada
KannadaUddina bele (ಉದ್ದಿನ ಬೇಳೆ)Whole black is uddu; split is uddina bele
HindiUrad / Mash dalMash dal is the Punjabi name
MarathiUdid / Udid dalUdid wada is the Maharashtrian festival version

Life-Stage Portions: How Much Urad Dal Daily

Portions below are for cooked urad dal or dry weight, clearly marked.

Life StageDaily AmountNotes
PCOS (daily eating)30g dry (approx. 1/4 cup)1 katori cooked khichdi or 2 idli worth of batter contribution. Combine with other dals (moong, masoor, chana) across the week for variety.
Pregnancy (any trimester)40g dry (approx. 1/3 cup)Contributes to iron and calcium targets alongside green leafy vegetables and other dals. Split white form preferred for easy digestion in the first trimester.
Postpartum (Week 1 to 2)30g cooked (approx. 1 small katori)Start with well-cooked, soft preparations like ulundhu kanji. Digestive system is recovering: keep fibre gentle. Avoid raw sprouts.
Postpartum (Week 3 to 4)40g cookedIntroduce soft idli, vada (baked or steamed), ulundhu kanji daily.
Postpartum (Week 5 onwards)50 to 60g cookedFull incorporation into daily meals: 1 to 2 idli for breakfast, 1 katori khichdi or dal at lunch, occasional laddoo as a snack.
General (non-pregnant adults)30 to 40g dry, 3 to 4 times per weekNo need for daily use outside pregnancy and postpartum. Rotate with other dals.

For a comparison of how urad dal fits alongside moong dal in a postpartum eating plan, see our moong dal benefits guide.


Are you in your first few weeks after delivery and unsure what to eat?

WhatsApp Dr. Suganya’s team for a personalised postpartum meal plan tailored to your delivery, your appetite, and your breastfeeding needs.

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5 South Indian Urad Dal Recipes

1. Ulundhu Kanji (Tamil Postpartum Recovery Porridge)

Ulundhu kanji is the most traditional postpartum food in Tamil Nadu. It is a warm, slightly thick porridge made by cooking whole or split urad dal until very soft, then finishing it with jaggery and coconut milk (sweet version) or a light tempering of mustard seeds and curry leaves (savoury version). Grandmothers across Tamil Nadu make this in the first two to three weeks after delivery.

Ingredients (makes 2 servings):

  • 50g split white urad dal, soaked 2 hours and rinsed
  • 3 cups water
  • 1 tablespoon raw rice (optional, for a thicker consistency)
  • 30g jaggery, grated (for sweet version) or salt to taste (for savoury)
  • 3 tablespoons coconut milk (for sweet version)
  • 1 teaspoon ghee
  • Small pinch of dry ginger powder (sukku) and cardamom (for sweet version)

Method:

  1. Pressure cook soaked urad dal with 3 cups water and the rice (if using) for 4 to 5 whistles until completely soft.
  2. Mash lightly with the back of a ladle. The porridge should be thick but pourable.
  3. For the sweet version: add jaggery and stir over low heat until dissolved. Add coconut milk and cardamom. Stir and remove from heat. Finish with a teaspoon of ghee.
  4. For the savoury version: heat ghee in a small pan, add mustard seeds and let them splutter, then add 1/4 teaspoon jeera, a few curry leaves, and a pinch of hing. Pour the tempering over the kanji and stir in salt.
  5. Serve warm. Stays fresh for 6 to 8 hours at room temperature in cool weather; refrigerate in summer.

Best for: New mothers in weeks 1 to 4, early morning or afternoon snack, anyone needing a warming, easily digestible meal.


2. Sunnundalu / Ulundhu Laddoo (Roasted Urad Dal Laddoo)

Sunnundalu is the Telugu name for roasted urad dal laddoo; in Tamil households they are called ulundhu laddoo or ulundhu urundai. These are made in large batches at the beginning of the postpartum period and given to new mothers as a daily snack. Each laddoo is dense, filling, and made with warming ghee and jaggery. Unlike many sweets, there is no maida or refined sugar: just roasted dal, jaggery, and ghee.

Ingredients (makes 12 to 15 laddoos):

  • 200g split white urad dal (raw)
  • 150g jaggery, finely grated or powdered
  • 4 tablespoons pure ghee (adjust for binding)
  • 1/2 teaspoon cardamom powder
  • 2 tablespoons grated dry coconut (optional)

Method:

  1. Dry roast the urad dal in a heavy-bottomed pan on medium-low heat, stirring constantly, for 10 to 12 minutes until golden and fragrant. Do not let it brown too quickly or the inside stays raw.
  2. Cool completely, then grind to a fine, smooth powder in a mixer.
  3. Add jaggery powder and cardamom to the ground dal. Mix well.
  4. Heat ghee until just melted (not hot). Add to the mixture tablespoon by tablespoon, mixing with your hands, until the mixture holds when pressed into a ball.
  5. Shape into lemon-sized laddoos while still warm. The mixture becomes firmer as it cools.
  6. Store in an airtight container at room temperature for up to 5 days.

Best for: Postpartum snack from week 2 onwards, toddler-friendly, quick energy between meals.


3. Urad Dal Khichdi

A simple one-pot khichdi made with split white urad dal and rice. Softer and easier to digest than a mixed dal khichdi, this version is gentle enough for the early postpartum weeks and warm enough for a winter lunch.

Ingredients (serves 2):

  • 50g split white urad dal, washed
  • 80g raw rice (sona masoori or ponni), washed
  • 1 teaspoon ghee
  • 1/4 teaspoon jeera
  • 1/4 teaspoon haldi
  • Salt to taste
  • 2.5 cups water

Method:

  1. Heat ghee in a pressure cooker on medium heat. Add jeera and let it splutter for 30 seconds.
  2. Add washed dal and rice. Stir to coat with the ghee and jeera.
  3. Add haldi, salt, and water.
  4. Pressure cook for 3 to 4 whistles. Allow pressure to release naturally.
  5. Open, stir gently, and adjust consistency with a little hot water if needed. Khichdi should be slightly mushy, not dry.
  6. Serve hot with a small spoon of ghee on top and a side of dahi or sambhar.

Best for: Postpartum week 1 and 2 lunch, anyone recovering from illness, quick weeknight dinner.


4. Idli Batter: Getting the Urad Dal Ratio Right

Idli is one of the most nutritious everyday breakfast preparations in South India. The fermentation process increases the availability of B vitamins and makes the batter easier to digest. Getting the urad dal to rice ratio right determines whether your idli turns out soft and fluffy or dense and flat.

Standard ratio: 1 part urad dal to 3 parts idli rice (or a mix of idli rice and raw rice).

Soaking time:

  • Urad dal: 4 to 6 hours
  • Rice: 4 to 6 hours (soak separately)

Grinding tips:

  • Grind urad dal first, separately, until very smooth and fluffy. A wet grinder produces the best texture; a mixer blender works but may result in slightly denser idli. Add ice-cold water gradually while grinding to prevent the batter from heating up.
  • Grind rice coarser than the dal (slightly grainy is fine for idli; smooth for dosa).
  • Mix both, add salt, and ferment for 8 to 12 hours at room temperature in warm weather (or inside the oven with the light on in cooler climates).

Troubleshooting:

  • Idli too flat: batter may be over-fermented or urad dal ratio too low. Reduce fermentation time by 1 to 2 hours next batch.
  • Idli too dense: dal may not have ground long enough. Grind for an extra 2 to 3 minutes.

Best for: Daily breakfast, postpartum meal starting week 2, toddler first foods (plain idli without tempering, mashed with dahi).


5. Crispy Medu Vada

Medu vada (uzhunnu vada in Malayalam, uddina vada in Kannada) is a classic South Indian breakfast and snack. The batter is made from soaked and ground urad dal, shaped into a ring, and deep-fried until golden. A healthier alternative for regular use is to pan-fry or air-fry using a small amount of oil.

Ingredients (makes 8 to 10 vadas):

  • 200g split white urad dal, soaked 3 to 4 hours, drained completely
  • 1 tablespoon finely chopped fresh curry leaves
  • 1 tablespoon finely chopped green chilli (adjust to taste)
  • 1 tablespoon finely chopped ginger
  • Salt to taste
  • Oil for frying (coconut oil or cold-pressed groundnut oil for authenticity)

Method:

  1. Grind drained urad dal with minimal or no water until smooth and fluffy. The batter must be thick: if it drops off a spoon, it is too thin for shaping. Refrigerate for 20 minutes if the batter softens.
  2. Mix in curry leaves, green chilli, ginger, and salt.
  3. Wet your hands. Take a small ball of batter, flatten it on your palm, and poke a hole in the centre with your thumb to form the ring shape. Slide carefully into hot oil (or place on a greased air-fryer basket).
  4. Deep-fry on medium heat for 3 to 4 minutes per side until golden and crispy. Air-fry at 180C for 12 to 15 minutes, flipping halfway.
  5. Drain on a paper towel. Serve immediately with coconut chutney and sambhar.

Best for: Weekend breakfast, festival cooking, a protein-rich snack. For breastfeeding mothers, the deep-fried version is best limited to once or twice a week; the air-fried version can be a more regular part of the diet.


Buying and Storage Guide

What to look for at the store:

  • Whole black urad: Choose dal with a uniform dark skin, no shrivelled or hollow grains, and no visible moisture. Buy from stores with reasonable turnover, as stale urad dal takes longer to cook and has a slightly musty smell.
  • Split white urad dal: Should be cream to off-white, with no yellowish tint (yellowing suggests old stock or humidity exposure). Should have a mild, clean smell.
  • Urad flour (ulundhu maavu / udad atta): Useful for sunnundalu if you cannot dry-roast and grind at home. Look for flour with a recent manufacturing date.

Storage at home:

FormContainerShelf Life
Whole black urad (dry)Airtight glass or steel container6 to 12 months
Split white urad dal (dry)Airtight glass or steel container6 to 9 months
Cooked urad dalCovered bowl in refrigerator2 to 3 days
Idli/dosa batter (fermented)Covered bowl in refrigerator3 to 4 days
Sunnundalu laddoosAirtight container at room temperature5 days; refrigerate for up to 2 weeks

Store dry dal away from moisture and direct sunlight. A bay leaf added to the storage container helps deter pantry insects.


For a complete postpartum food plan covering the first six weeks, including which foods to start on day one and what to add week by week, see our after delivery food guide for Indian mothers.

To see how urad dal fits into a high-fibre eating pattern alongside other dals and millets, see our high-fibre Indian foods list for PCOS and gut health.


Frequently Asked Questions

Is urad dal good for women with PCOS? Yes. Urad dal provides 25.1g protein and 18.3g dietary fibre per 100g (ICMR-NIN 2017), making it a filling, nutrient-dense addition to a low-GI eating pattern. The protein helps reduce snacking on refined carbohydrates. For guidance on how to structure a full PCOS eating day, see our PCOS weight loss Indian meal plan.

Can I eat urad dal during pregnancy? Yes, in moderate portions. Split white urad dal is the gentler option in the first trimester when nausea is common. During the second and third trimesters, both whole and split forms are appropriate. 40g dry daily (about 1/3 cup) is a reasonable guideline.

Why is ulundhu kanji given to new mothers in Tamil Nadu? Ulundhu kanji has been a traditional postpartum food in Tamil Nadu for generations. Nutritionally, urad dal provides iron (9.1mg/100g), calcium (154mg/100g), and protein (25.1g/100g), which are all priorities during the postpartum recovery period. The kanji form (well-cooked, soft porridge) is easy to eat and digest in the first weeks after delivery.

What is the difference between whole black urad and split white urad dal? Whole black urad has the outer husk intact, giving it higher fibre (18.3g vs 13.7g) and iron (9.1mg vs 7.3mg) but a longer cooking time. Split white urad has the husk removed, making it easier to digest and faster to cook. For idli/dosa batter and postpartum cooking, use split white. For dal makhani, sprouting, or maximum iron, use whole black.

How much urad dal is too much in one day? For healthy adults, 40 to 60g dry per day is appropriate. Eating very large amounts of any single dal is not recommended because it crowds out the variety your body needs. Rotate urad dal with moong dal, masoor dal, chana dal, and rajma across the week for a balanced pulse intake.

Can I sprout urad dal? Yes. Whole black urad dal sprouts well in 1 to 2 days after soaking. Sprouted urad has higher vitamin C and B vitamin availability. For women in the postpartum period, cook sprouts thoroughly before eating (do not eat raw) to reduce any digestive strain. For general use, sprouted urad can be lightly stir-fried with jeera, green chilli, and lemon as a protein-rich side.

Is urad dal safe to eat every day? Yes, in moderate portions. Eating ulundhu kanji or idli daily is common in South Indian households and is nutritionally balanced. If you are eating urad dal as a standalone preparation daily (rather than as part of idli/dosa batter), keep the serving to 1 small katori cooked dal and vary other dals across the rest of the week.


Urad dal is one of those ingredients that earns its place in the South Indian kitchen twice over: once for the everyday idli and dosa it makes possible, and again for the postpartum nourishment that generations of Tamil and Telugu families have relied on. Whether you are making a batch of sunnundalu for a new mother, a quick khichdi for a busy weeknight, or simply keeping good idli batter going at home, urad dal is a practical, nutrient-dense pulse worth using regularly.


Looking for a personalised nutrition plan for your PCOS, pregnancy, or postpartum journey?

Dr. Suganya’s team includes a dedicated nutritionist who works with each woman individually. WhatsApp us to get started.

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For more after-delivery nutrition and recovery, see our postpartum recovery guides.

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Ms. Elakiya Ravichandran

Written by

Ms. Elakiya Ravichandran

Nutritionist, Fertilia Health

Elakiya believes nutrition is about caring for your body in a sustainable and kind way, not about restrictions. She works with women at Fertilia on mindful nourishment, building simple habits that support both physical and emotional well-being.

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