Quick Answer: Mustard oil is the first smell of a wazwan kitchen. Wazas heat it in a deg until the sharpness blooms, then brown pran in it. That pungent opening is not ghee-only richness and not onion-tomato. It is how red gravies start in Kashmir.
Walk toward a wedding courtyard before the Traem (communal copper platter) is uncovered and you may smell mustard oil before saffron. It is sharp. It is a little medicinal. Then the pran (Kashmiri shallot) hits it and the air turns sweet-savoury.
People looking for Wazwan in Delhi often expect only ghee. Ghee is there — Tabak Maaz lives in it. The red pots usually start with mustard oil.
Heat it until it stops shouting
Raw mustard oil is aggressive. A waza (master cook) puts it in a deg (copper pot) and lets it heat until the raw edge cooks off. That is not a garnish drizzle. That is the fat the spices will fry in.
How a waza cooks wazwan starts with that oil more often than with a masala tin. Kashmiri spices explained is pran, sonth, saunf, maval, zafran. Almost all of them meet mustard oil before they meet meat.
Skip the oil and brown onions in refined oil instead, and you have already left the valley. The dish may still be called Rogan Josh. It will smell like a different kitchen.
Pran in mustard oil is the base, not a topping
Pran is smaller and sharper than the yellow onion a Delhi line cook reaches for. Fried in mustard oil until it collapses, it becomes the paste under traditional Rogan Josh. Tomato is not invited. Neither is a heap of ginger-garlic from a wet masala jar.
What wazwan is talks about that Central Asian-Kashmiri kitchen. The smell is this fat plus those shallots, not a generic “Kashmiri” bottled spice.
White dishes are another logic. Goshtab and yakhni lean on yogurt and ghee. They should not taste like the red pots. Mustard oil is not poured onto every course to make it “authentic.”
What your Delhi table should smell like
When you reheat a red wazwan pack, you should get that faint mustard-and-shallot note as it warms — not ketchup sweetness, not pure ghee popcorn. If the first smell is tomato, the kitchen used a different fat and a different colour.
Wazaroo cooks in Kashmir, in degs, with the oil the wazas actually use, then blast-freezes the food for Delhi. The Wazaroo online menu is those pots, not a pan of onion-tomato with fennel on top.
Curious where to start? Rogan Josh is the mustard-oil lesson. Riste is the red broth lesson. Put both on rice and you will know which smell belongs to the courtyard.
Oil on the Traem
| Dish family | Fat you notice |
|---|---|
| Rogan Josh, red gravies | Mustard oil, then spices |
| Tabak Maaz | Desi ghee (after the milk poach) |
| Goshtab, yakhni | Ghee and yogurt, not mustard heat |
| A Delhi “Kashmiri” curry | Often refined oil and tomato |
Frequently Asked Questions
Is all wazwan cooked in mustard oil?
No. Red gravies usually start there. Ghee-fried ribs and yogurt finales use other fats. One oil for the whole feast would flatten the Traem.
Why does mustard oil smell so strong at first?
It is pungent until it is heated properly. Wazas cook that rawness off in the deg before the pran goes in. You should smell bloom, not a cold mustard bottle.
Can I substitute sunflower or olive oil at home?
You can cook something. You will not get the same opening note. The frozen packs already have the oil work done in Kashmir.
Does mustard oil make wazwan very spicy?
No. Heat in the Delhi sense comes from chilli, which Kashmiri mirch barely is. Mustard oil is aroma and a slight bitterness, not capsaicin.
Related Reads
- Kashmiri Spices Explained: From Pampore Saffron to Pran & Maval
- What is Wazwan? The 36-Course Feast Explained
- How a Waza Cooks Wazwan: Degs, Wood Fire, and Stone Mallets
About the Author: Written by the Wazaroo Team, sharing authentic Kashmiri food traditions, waza techniques, and artisan heat-and-eat dishes cooked in Kashmir for Delhi tables.