Why it works: Vinegar and mustard are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
For Making Chow-chow
Ingredients
Directions
Cut the same materials as for sweet pickles into small pieces and fill the jars.
In a pot, mix vinegar, salt, mustard, cornstarch (made into a paste with cold water or vinegar), and burnt amber.
Boil the mixture for 3-4 minutes, stirring constantly to prevent separation.
Pour the hot dressing over the pickles and use a pointed stick to work it through.
Seal the jars while hot using boiled corks; add a small amount of salicylic acid to the boiling water to prevent souring.
Insert a small piece of baling wire into the bottle opening, press the heated corks in, and pull out the wire to exclude air.
Melt rosin and mix with lard and red ochre or lamp black, then dip the top of the sealed bottles in this mixture.
Label and pack the jars in sawdust, typically one dozen pints per case.
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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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
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