Rai, sarson · Kadugu (Tamil), avalu (Telugu)

Mustard seed

Pungent and nutty when popped in oil; sharp and hot when ground raw.

Forms Whole seeds, split, groundHeat Mild

Find mustard seed on Amazon

Mustard seed (Rai, sarson)

Photo: docoverachiever, CC BY 2.0, via Flickr

Key facts

Hindi nameRai, sarson
Also calledKadugu (Tamil), avalu (Telugu)
FlavourPungent and nutty when popped in oil; sharp and hot when ground raw.
HeatMild
Sold asWhole seeds, split, ground
Stays freshWhole: 15 months, ground: 4 months · check your jars
Best substituteCumin seeds give a different but workable tempering. Yellow mustard seeds are milder.
Used in2 of our blends and 12 of our dishes

How to use it

Black or brown mustard seeds start most South Indian, Gujarati and Maharashtrian tempering: they pop in hot oil before curry leaves and dals go in. Ground mustard is used in pickles and Bengali fish curries.

  • Wait until the seeds pop and splutter, then lower the heat before adding anything else. Unpopped seeds taste bitter.
  • Keep a lid handy: popping seeds jump out of the pan.

Substitute

Cumin seeds give a different but workable tempering. Yellow mustard seeds are milder.

Storage

Whole seeds keep for over a year.

Mustard oil, pressed from the seeds, is the traditional cooking oil of Bengal, Punjab and Kashmir.

Pairs well with

Dishes that use mustard seed

Blends with mustard seed

Panch phoron

Bengal and Odisha

A whole-seed mix of five spices in equal parts, used without grinding.

Frequently asked questions

What is mustard seed called in Hindi?

Rai, sarson. Also known as Kadugu (Tamil), avalu (Telugu).

What can I use instead of mustard seed?

Cumin seeds give a different but workable tempering. Yellow mustard seeds are milder.

How long does mustard seed keep?

Whole seeds keep for over a year.

Tips from travellers

Use Mustard seed differently at home? Share your tip. The first good one goes right here.

Share a tip

We read every tip before it goes live. No links, please, and nothing personal about other people.

Questions from readers

Question about Mustard seed? Ask it here.

Ask a question

We can’t reply privately. Useful questions get answered here on the page.