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How to use black cumin seeds

Updated: 21 October 2026

You have a pouch in the cupboard and a recipe that only says black cumin, then points at naan, a pickle, or a pot of rice. How to use black cumin seeds depends on which seed you actually bought. Named nigella, the kalonji cooks also call black onion seed, goes on bread and into a pickle tempering. A thin crescent shahi jeera is used more like a fine cumin in rice. The two are not swaps. The [Black cumin seeds comparison](/hub/herb-seeds/black-cumin-seeds) is the product grid if the pouch is still a guess. A qualifying purchase through our links can earn a commission at no extra cost to you.

You have a pouch in the cupboard and a recipe that only says black cumin, then points at naan, a pickle, or a pot of rice. How to use black cumin seeds depends on which seed you actually bought.

Our top picks

Natco Natco black cumin seeds, 100 g

Best overall

Natco Natco black cumin seeds, 100 g
5.9/10about £4.24
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SAFLAX SAFLAX organic black cumin, 300 seeds

Rank 2

SAFLAX SAFLAX organic black cumin, 300 seeds
7.7/10about £4.55
View offer
Busy Beans Organic Busy Beans Organic nigella seeds, 250 g

Best value

Busy Beans Organic Busy Beans Organic nigella seeds, 250 g
7.1/10about £6.95
View offer
On this page
  1. 1.Use the seed you actually bought
  2. 2.Nigella on bread, in pickles, and in the five-seed mix
  3. 3.Shahi jeera like a fine cumin
  4. 4.What not to do with the packet

Use the seed you actually bought

Open the pouch before you heat the oil. If the listing named Nigella sativa, nigella or kalonji, and the seeds are small, matte and angular, you are on the nigella path. If it named shahi jeera or kala jeera, and the seeds are thin crescents, you are on the rice path. If you cannot say which you hold, do not start the recipe. Shape is on nigella or shahi jeera. Natco’s 100 g pouch does not name a species, and live text says this black cumin is not nigella. Spice Mart’s title says shahi jeera and a bullet says the buttercup family. Busy Beans, LoveSunnah and HMW name nigella, so they can follow the nigella path once you have checked the spoon for grit. That check is not a health claim.

Nigella on bread, in pickles, and in the five-seed mix

Kalonji is used whole, for a short time, either scattered on bread after it is cooked or sizzled briefly in hot fat. Burnt nigella turns bitter. Take the pan off when the seeds smell fragrant, which is seconds, not a minute you wander away from. Jamie Oliver’s naan method uses 1 tablespoon of nigella across six breads, after the bread is cooked. That amount is not a rule for pickle or rice. Pick grit out of a Busy Beans spoon before it goes on dough. Hari Ghotra’s lemon pickle uses 1 teaspoon of kalonji in the oil with mustard and fenugreek. BBC Food’s panch phoran is equal parts fenugreek, nigella, cumin, black mustard and fennel, used whole. Do not build that jar from a pouch that failed the name check.
Natco Natco black cumin seeds, 100 g

Testsieger

Natco Natco black cumin seeds, 100 g
5.9/10about £4.24
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Shahi jeera like a fine cumin

Shahi jeera, also sold as kala jeera, is the thin crescent. Hari Ghotra describes it as milder than cumin, sweet and floral, and used whole in rice. It is unrelated to nigella. A small handful goes into hot fat for a few seconds, then the rice. The Curry House puts kala jeera in pilau and does not put it on naan. Do not swap the seeds to use up a packet. Kalonji on a pulao will not taste like a floral cumin, and shahi jeera on naan will not taste like kalonji. Spice Mart cannot be your example, because the listing also claims the buttercup family. Leave these dishes whole. A powder hides the shape and burns faster.

What not to do with the packet

Leave SAFLAX out of the pan. It is a sowing packet of 300 seeds at £4.55, not a weighed culinary pouch, and it has no food price per 100 g. If that card is the only black cumin in the house, cook something else tonight. Nothing in the pan becomes an immunity, weight or thymoquinone result because a listing printed the word. HMW mentions those lines and ruqyah. LoveSunnah uses supplement-style wording. If the pouch never named the species, refuse the recipe. Natco’s 141 reviews do not make the contents kalonji. Which row fits which job is on best black cumin seeds.

Common questions

Do I put kalonji in the oil or on the bread?
Both are normal, and they are different steps. For naan, Jamie Oliver’s method sprinkles nigella on after the bread is cooked, 1 tablespoon across six breads. For a pickle tempering, Hari Ghotra uses 1 teaspoon of kalonji in the hot oil with mustard and fenugreek. Do not merge those amounts into one rule. Keep the seeds whole either way.
What is panch phoran, and is nigella one of the five?
Yes. BBC Food lists equal parts of fenugreek, nigella, cumin, black mustard and fennel, used whole, dry-roasted or fried. Nigella is the kalonji in that jar. The blend is not a ground powder on that page, and it is not a place to hide shahi jeera in place of the nigella.
Can I swap them in a pulao?
No. A pulao that asks for shahi jeera wants the crescent. Kalonji will season the rice as nigella, which is a different flavour, closer to the bread and pickle path. If you only have kalonji, cook a dish that asks for kalonji. Do not rename it shahi jeera because both packets said black cumin.
Should I grind them?
Not for these uses. Panch phoran, naan and a rice tempering all keep the seed whole. Grinding hides the shape you used to tell the plants apart, and the powder burns sooner in the same hot fat. A recipe that truly wants a powder is a different method from this page.
Can I cook seeds from a sowing packet?
No. SAFLAX is 300 Nigella sativa seeds for sowing, item weight 5 g, at £4.55. It is not a weighed culinary pouch, and it has no price per 100 g. Sow it, or store it as seed. Use a named food pouch for the pan.
What if the pouch never named the species?
Do not start the recipe. Natco does not name a species, and the listing says it is not nigella. Spice Mart names shahi jeera and the buttercup family on the same listing. Identify the seed on the versus page, or buy a pouch that names one plant, before you heat the oil.

Related pages

Black cumin seeds buying guide

Black cumin seeds

Best black cumin seeds: which listing fits the job

Grow black cumin in the UK from a named seed packet

Nigella or shahi jeera: which black cumin is which

Sources

Public UK sources named below. amazon.co.uk prices, stars and review counts on these six listings were read on 19 October 2026, with live wording checked on 20 October 2026. Page updated 21 October 2026.

  1. RHS, Nigella sativa (retrieved 20 October 2026)
  2. RHS, Bunium persicum (retrieved 20 October 2026)
  3. GOV.UK organic food labelling rules (retrieved 20 October 2026)
  4. GOV.UK approved organic control bodies (retrieved 20 October 2026)
  5. ASA, food health claims (retrieved 20 October 2026)
  6. NHS, medicines in pregnancy (retrieved 20 October 2026)
  7. BBC Food, panch phoran (retrieved 20 October 2026)
  8. Hari Ghotra, black cumin and shahi jeera (retrieved 20 October 2026)