Why it works: Fish and coriander work together. They rank in the top 14% of all ingredient pairs, and 61 recipes mention both. Both carry 2-undecenal, which smells sweet. The science ↓
The recipe
Ingredients
Contains: milk, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Make a paste of all spices and half the onions.
Reserve half the turmeric and garam masala.
Rub the fish pieces with the reserved turmeric.
Rub the fish pieces with half the salt.
Brown the potato pieces in oil separately.
Make the curry
Heat half the ghee in a pot.
Add the spice paste and stir constantly until it turns reddish brown.
Add the curd and stir.
Add water little by little as needed for about 15 minutes.
Add the browned potatoes and stir for a couple of minutes.
Add enough water to cover and bring to a boil.
Add the fish and remaining salt.
Stir in garam masala just before removing from heat.
If not using onions, make a paste of boiled potatoes to thicken the soup.
Finish and serve
Season the curry with ghee boiled with cassia leaves before serving.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Fish + coriandertop 14% of all pairsAroma overlapmoderateMentioned together61 recipes
Shared aroma: 2-undecenal (sweet).
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Turmeric + cumintop 1% of all pairsAroma overlapstrongMentioned together1,698 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Cumin + coriandertop 1% of all pairsAroma overlapstrongMentioned together3,866 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Ginger + turmerictop 1% of all pairsAroma overlapstrongMentioned together2,775 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Ginger + coriandertop 2% of all pairsAroma overlapstrongMentioned together3,504 recipes
Shared aroma: trans-2-decenal (waxy, orange).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fish
- Forms the main protein of the curry, cooking through in the simmering liquid.
- Potatoes
- Browned first, then simmered, they add body and absorb the curry's flavour.
- Onions
- Form part of the spice paste, adding sweetness and body as they brown.
- Curd (yogurt)
- Adds tang and creaminess, and its acidity mellows the spices.
- Ghee
- Adds rich fat for frying the paste and a nutty aroma when used to finish.
- Turmeric
- Gives the curry its golden colour and an earthy, slightly bitter note.
The step that matters
Stirring the spice paste until reddish brown. Frying the paste in hot fat until it darkens toasts the spices and onions, deepening flavour. Stopping early leaves the paste raw-tasting, while stirring constantly prevents scorching.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (fish, potato, ghee, yogurt, ginger, turmeric, cumin):
- Tomatobetter flavor fit
- Carrotbetter flavor fit
- Capsicumbetter flavor fit
- Onionthe original
Fit is the average pairing score against fish, potato, ghee, yogurt, ginger, turmeric, cumin. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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