Why it works: Sugar and vinegar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 20,806 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Vinegar
Ingredients
Directions
Mix the sugar, treacle, and warm water in a shallow earthen pan.
Float the young vinegar-plant on top of the mixture.
Cover the pan with a cloth to keep out dust but allow air in.
After seven weeks, strain off the vinegar and bottle it for use.
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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Sugar + vinegartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + milktop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + vinegartop 28% of all pairsSmell alikemoderateCooked together2,949 recipes
Shared aroma: isoamyl acetate (banana, pear).
Sugar and milk barely smell alike, yet cooks put them together in 77,875 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Coarse moist sugar
- Provides the sugar that the vinegar-plant ferments into acetic acid.
- Vinegar-plant
- Culture of acetic acid bacteria that converts the sweet liquid into vinegar.
The step that matters
Cover the pan with a cloth that lets air in. Acetic acid bacteria need oxygen to turn the alcohol in the sweet liquid into acetic acid. A cloth keeps dust and insects out while still letting air reach the surface, so the culture can work. A sealed container would stall or spoil the batch.
“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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