Blooming spices, building masala, and a subcontinent of regional traditions.
Indian cooking is spice-led, but "spicy" and "hot" are not the same thing — many Indian dishes are aromatic rather than fiery. The cuisine is built on layering: whole spices bloomed in fat, ground spices added later, and finishing aromatics at the end.
India is not one cuisine any more than Europe is. The north cooks with wheat, dairy, and ghee; the south with rice, coconut, and tamarind; the east with mustard oil and fish; the west with everything from Gujarati vegetarian to Goan pork vindaloo.
Section 02
Tempering: the defining technique
Tadka (also called chhonk or tempering) is the technique that defines Indian cooking. Whole spices are fried briefly in hot fat until they pop and release their aroma, then the whole mixture — fat and spices together — is poured over or into the dish.
Spice aromatics are fat-soluble, not water-soluble. Adding ground spice to a watery curry extracts far less flavor than blooming it in hot oil first. This is chemistry, not tradition.
Heat ghee or oil until genuinely hot.
Add whole spices — cumin seed, mustard seed, curry leaves — and wait for them to pop and darken slightly, about 30 seconds.
Add aromatics: onion, ginger, garlic. Cook them properly, which takes longer than most recipes suggest.
Add ground spices and cook 30–60 seconds only — they burn far faster than whole ones.
Add tomatoes or liquid, which stops the spices cooking further.
Chef's tip
For a finishing tadka, prepare it separately and pour it over the finished dal at the table. The sound and aroma are part of the dish.
Section 03
Essential pantry
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Whole: cumin seed, coriander seed, mustard seed, cardamom, cinnamon, cloves, fennel, fenugreek.
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Ground: turmeric, coriander, cumin, chili powder, garam masala.
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Aromatics: ginger, garlic, green chili, curry leaves, cilantro.
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Fats: ghee for the north, coconut oil for the south, mustard oil for Bengal.
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Dairy: yogurt, paneer, cream — used to cool, enrich, and tenderize.
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Pulses: toor dal, chana dal, masoor dal, urad dal.
Section 04
Building a masala
Most north Indian curries follow the same architecture: bloom whole spices, cook onions until genuinely browned (fifteen minutes, not five), add ginger-garlic paste, add ground spices, add tomato and cook until the oil separates out.
That oil separation is the visual cue that the masala base is done. Until it happens, the tomatoes are still raw and the curry will taste sharp and thin.
Section 05
Regional character
A few of India's regional cuisines
Punjab / North
Ghee, butter
Wheat, dairy, tandoor, rich gravies
Bengal / East
Mustard oil
Fish, mustard, panch phoron, subtle sweetness
Gujarat / West
Ghee, groundnut oil
Vegetarian, sweet-savory balance
Goa
Coconut oil
Portuguese influence, vinegar, pork, seafood
Kerala / South
Coconut oil
Coconut, curry leaf, tamarind, seafood
Tamil Nadu
Sesame oil, ghee
Rice, sambar, rasam, fermented batters
Section 06
Signature dishes
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Dal tadka — the everyday dish, and the clearest demonstration of tempering.
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Butter chicken / murgh makhani — tandoori chicken in a tomato-cream gravy.
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Biryani — layered rice and meat, cooked sealed so the steam does the work.
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Rogan josh — Kashmiri lamb curry, aromatic rather than hot.
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Dosa — fermented rice and lentil crêpe, a south Indian staple.
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Cook onions far longer than the recipe says. Most north Indian gravies depend on properly browned onions.
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Buy whole spices and grind them. Ground spices lose their aroma within months.
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Garam masala is a finishing spice, added at the end — it is not a cooking base.
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Temper dal separately and pour it over at the table.
Avoid these
Common mistakes
Adding ground spices to liquid instead of blooming them in fat.
Burning ground spices, which happens in seconds.
Under-cooking the onion base and producing a thin, sharp curry.
Using garam masala as a base spice rather than a finish.
Adding yogurt to a boiling curry so it splits — temper it first.
Assuming Indian food must be hot.
Get your hands dirty
Practice exercises
Make dal two ways: spices stirred in dry, and spices bloomed in ghee. Taste both.
Cook a masala base and watch for the moment the oil separates from the tomatoes.
Toast and grind your own garam masala, then compare it to a shop-bought jar.
1. Why are spices bloomed in hot fat rather than stirred into liquid?
Their aromatic compounds are fat-soluble, not water-soluble
2. What does it mean when oil separates from a masala base?
The base is properly cooked and ready for the next stage
The tomatoes were under-ripe
3. When should garam masala be added?
At the very start with the whole spices
At the end as a finishing spice
If you remember nothing else
Key takeaways
Takeaways
Bloom whole spices in hot fat — aromatics are fat-soluble.
Ground spices burn in seconds; whole spices tolerate more.
The oil separating from the masala is the signal the base is ready.
Garam masala finishes a dish rather than starting it.
Cook it
Practice on these recipes
Chicken Tikka Masala
Indian · Dinner
Butter Chicken
Indian · Dinner
Paneer Tikka Skewers
Indian · Dinner
Dal Makhani
Indian · Dinner
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The On The Fly Kitchen · Updated 2026-07-29