Why it works: Sugar and syrup match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 5,842 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Butter Scotch
Ingredients
Directions
Make the candy
In a large pot, combine brown sugar, butter, vanilla, boiling water, and corn syrup.
Boil the mixture until it forms a ball slightly harder than fondant.
Stir in the cream and boil slowly for about 5 minutes.
Set and serve
Pour the mixture into a pan with removable sides.
When nearly cool, cut into squares using a large knife.
For a treat, dip the squares in chocolate.
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.
-
Sugar + syruptop 6% of all pairsSmell alikestrongCooked together5,842 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
-
Vanilla + corntop 9% of all pairsSmell alikemoderateCooked together1,943 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
-
Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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 main sweetness and the caramel flavor of the candy.
- Butter
- Adds fat for a rich, smooth texture and buttery flavor.
- Corn syrup
- Helps prevent sugar crystals from forming, keeping the candy smooth.
- Sweet cream or evaporated milk
- Adds dairy richness and softens the chew of the finished candy.
The step that matters
Boiling to the firm-ball stage. The mixture must reach the right sugar concentration to set firm. Stopping too early leaves it soft and sticky, while cooking too long makes it hard and brittle. Cutting while nearly cool keeps the squares clean.
“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.
More butter scotch recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Vanilla Ice Cream108 recipes
Corn Cake90 recipes
Corn Starch Cake89 recipes
Corn Cakes22 recipes