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Rasam powder

रसम पाउडर (Rasam powder)

Spice blend

Rasam powder is a South Indian dry spice blend of roasted coriander, cumin, black pepper and dried red chilies, often with a bit of toor dal or chana dal. Add it while boiling the tamarind, tomato and dal broth for rasam so the spices fully infuse.

green bowl filled with coarse brown spice powder, tablecloth background
Also known as:Tamil Rasam podiKannada Saarina pudiTelugu Chaaru podiMalayalam Rasam podi

What it is

Rasam powder, or रसम पाउडर, is a traditional South Indian dry spice blend made by roasting and grinding coriander seeds, cumin, black pepper and dried red chilies, often with lentils like toor dal or chana dal.

It is prepared and used as a dry, ground powder. Around the South, you’ll hear it called Rasam podi (Tamil/Malayalam), Saarina pudi or Saaru pudi (Kannada), and Chaaru podi (Telugu).

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Flavour and aroma

PungentWarmAromaticEarthy

Expect a pungent, zesty, peppery hit, more pepper- and cumin-forward than sambar powder. Coriander and cumin bring warm, comforting notes. Gentle dry-roasting makes it intensely aromatic with an earthy base.

Cooking with it

When to add it

During cooking

How much to use

1 to 2 teaspoons per 3 to 4 cups rasam broth

Use it for rasam, that everyday South Indian spiced broth you pour over rice or sip like soup. Add the powder during cooking while the tamarind, tomato and dal broth is boiling so the flavors open up in the liquid.

A little can also be dusted over poriyal or stirred into simple, clear lentil soups for a quick peppery lift.

Substitutes

  • Sambar powderadd extra crushed black pepper and cumin to replicate the peppery heat of rasam powder

Origin and where it grows

It developed in South India as a dedicated blend. It simplifies the daily preparation of traditional tamarind and pepper broths.

Buying and storing

How to pick good quality

Dry-roast whole spices and lentils gently, just until fragrant. Don’t let them brown deeply, or the powder can turn bitter.

Simple adulteration check

Under FSSAI DART guidelines, adulteration with added starch can be checked by boiling a small sample in water, cooling it, then adding tincture of iodine; a blue color indicates starch.

Storage

Keep in a clean, airtight dabba in a cool, dry cupboard away from sunlight and humidity.

Shelf life: About 3 to 6 months when stored airtight and dry

Frequently asked questions

When should I add rasam powder?

Add it during cooking while the tamarind, tomato and dal broth is boiling so the spices infuse the liquid.

How much rasam powder do I use for one pot?

Use about 1 to 2 teaspoons for roughly 3 to 4 cups of rasam broth.

What can I substitute if I don’t have rasam powder?

Use sambar powder and add extra freshly crushed black pepper and cumin to mimic the peppery heat.

Is rasam powder the same as sambar powder?

No. Rasam powder tastes more pepper- and cumin-forward, giving a sharper, zesty profile.

How should I store it and how long does it stay fresh?

Store in a clean, airtight container in a cool, dry cupboard away from sunlight. It keeps best for about 3 to 6 months.

Photo credits: Nithyasrm, CC BY-SA 4.0, via Wikimedia Commons