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 ↓
Home-made Vinegar
Ingredients
Directions
Prepare the liquid
Place all apple parings in a stone crock and cover with water.
When soft, squeeze the pulp through a jelly bag into jugs.
Ferment
Add any saved sweets and ½ pound of brown sugar per gallon of liquid.
Cover the jug with a thin cloth and set it in a warm place to sour.
For faster results, add a vinegar plant or mother.
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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Apple + vinegartop 16% of all pairsSmell alikemoderateCooked together1,884 recipes
Shared aroma: isoamyl acetate (banana, fruity).
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Apple + sugartop 18% of all pairsSmell alikelowCooked together16,478 recipes
Shared aroma: beta-damascenone (apple, rose).
Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
- Apple parings
- Supply fermentable sugars and fruity flavor for the liquid to turn into vinegar.
- Brown sugar
- Adds extra sugar that microbes convert into acetic acid, strengthening the vinegar.
- Vinegar plant or mother
- Contains acetic acid bacteria that start souring the liquid sooner.
The step that matters
Cover the jug with a thin cloth and keep it warm. Acetic acid bacteria need air to turn alcohol into acetic acid, so the cloth should let air in while keeping insects and dust out. Warmth speeds this souring. A sealed jug can stall or spoil.
Swap the apple
How well each one fits the dish's main ingredients (sugar, vinegar):
- Vanillafits better
- Strawberryfits better
- Pineapplefits about as well
- Applethe original
Fit is the average pairing score against sugar, vinegar. 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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