Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Butter Scotch
Ingredients
Directions
Make the candy
Dissolve the sugar in enough water.
Boil without stirring until it breaks easily in cold water.
Remove from heat and add the lemon extract.
Shape and cut
Pour into a well-buttered pan to a thickness of ¼ inch.
When partly cold, cut into small squares.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Coffee + creamtop 17% of all pairsSmell alikelowCooked together2,339 recipes
Shared aroma: 2-heptanol (bitter, floral).
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Coffee + sugartop 17% of all pairsSmell alikelowCooked together4,344 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Coffee sugar
- Dissolves and cooks into a hard, brittle candy that sets firm as it cools.
- Butter
- Greases the pan so the candy releases cleanly, and adds richness to the flavor.
- Cream of tartar
- Its acidity helps keep the sugar from crystallizing into a grainy texture.
- Lemon extract
- Adds a bright citrus aroma and flavor to the candy.
The step that matters
Boil without stirring until it breaks easily in cold water. Stirring hot sugar syrup can trigger crystallization, leaving a grainy candy. Stopping at the right point matters too: undercooked syrup stays sticky, while overcooked syrup becomes hard and bitter.
Swap the lemon
How well each one fits the dish's main ingredients (coffee, sugar, butter, cream):
- Vanillafits better
- Strawberryfits better
- Coconutfits better
- Lemonthe original
Fit is the average pairing score against coffee, sugar, butter, cream. 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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