Why it works: Ketchup and sauce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Chetna Sauce
Ingredients
Directions
Prepare the base
Pour heated vinegar over the eschalots and let it stand for twelve hours.
Strain the mixture and add walnut ketchup, mushroom ketchup, soy sauce, Cayenne pepper, black pepper, and chili vinegar.
Boil and bottle
Boil for five minutes, then bottle the sauce and seal it with rosin.
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 their aromas overlap, and how often cooks already put them together.
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Ketchup + saucetop 1% of all pairsSmell alikestrongCooked together1,099 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Walnut + mushroomtop 12% of all pairsSmell alikestrongCooked together763 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
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Walnut + peppertop 13% of all pairsSmell alikemoderateCooked together3,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eschalots
- Steeped in hot vinegar to release their pungent flavour into the liquid.
- Walnut ketchup
- Adds deep, savoury umami flavour as the main liquid base.
- Mushroom ketchup
- Contributes earthy, savoury depth that rounds out the sauce.
- Soy sauce
- Adds salty, savoury umami character to the sauce.
- Black pepper
- Provides sharp, pungent heat and aroma.
Swap the walnut
How well each one fits the dish's main ingredients (vinegar, ketchup, mushroom, sauce, pepper):
- Beansfits better
- Sesamefits better
- Chestnutfits about as well
- Walnutthe original
Fit is the average pairing score against vinegar, ketchup, mushroom, sauce, pepper. Candidates are from the same food group and used in at least 100 recipes.
“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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