Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Butter Scotch
Ingredients
Directions
Make the candy
In a saucepan, combine brown sugar, water, and butter.
Boil the mixture without stirring until it reaches the hard ball stage (test by dropping a small amount into cold water).
If desired, add vanilla once done.
Set and break
Pour the mixture onto buttered plates.
Mark into squares before it hardens, and allow to cool completely before breaking into pieces.
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 + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Butter + vanillatop 14% of all pairsSmell alikemoderateCooked together20,050 recipes
Shared aroma: guaiacol (smoky, sweet).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
- Brown sugar
- Provides the sweetness and caramel flavour that defines the candy.
- Butter
- Adds fat and richness, softening the texture of the set candy.
- Water
- Helps dissolve the sugar so it can be boiled evenly without crystallising.
The step that matters
Boiling to the hard ball stage without stirring. The candy sets based on how far the sugar concentration has risen. Stopping too early gives a soft, sticky result, while going too far can make it hard or burnt. Stirring can trigger sugar crystallisation, so it is left alone.
“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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