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 ↓
Sugar Nut Candy
Ingredients
Directions
Combine the sugar, butter, vinegar, and water in a thick saucepan.
Heat until the mixture begins to thicken, then add the nuts.
To test the candy, quickly take a small amount from the center and drop it into cold water.
Remove from heat when the candy is brittle.
Pour the mixture into buttered plates.
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 + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Vinegar + buttertop 23% of all pairsSmell alikemoderateCooked together13,513 recipes
Shared aroma: isoamyl acetate (banana, pear).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- White sugar
- Forms the bulk of the candy and sets into a brittle, crisp texture as it cooks.
- Butter
- Adds fat for a smoother, richer texture and helps keep the candy from sticking.
- Vinegar
- Acidity slows sugar crystallization, helping the candy stay smooth rather than grainy.
- Hickory nut kernels
- Provide the nutty flavor and crunchy texture throughout the candy.
The step that matters
Testing for brittleness. Sugar syrup goes from thick to burnt within moments near the end of cooking. The cold-water test shows when the candy has reached the hard-crack stage, so removing it from heat too early leaves it soft and sticky, while waiting too long can scorch it and make it bitter.
“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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