Why it works: Cream and butter 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 ↓
Caramel Icing
Ingredients
Directions
Combine brown sugar, sweet cream, and butter in a saucepan.
Boil the mixture until it thickens when tested in cold water.
Remove from heat and flavor with vanilla.
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.
Photo for illustrative purposes only · Contact us to use it
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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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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 + vanillatop 14% of all pairsSmell alikemoderateCooked together20,050 recipes
Shared aroma: guaiacol (smoky, sweet).
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Cream + vanillatop 15% of all pairsSmell alikelowCooked together12,301 recipes
Shared aroma: 2-nonanone (fruity, floral).
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 flavor that defines the icing.
- Sweet cream
- Adds moisture and fat so the sugar dissolves and the icing stays smooth.
- Butter
- Adds richness and a silky texture to the cooked sugar mixture.
The step that matters
Boiling until it thickens. Sugar syrup sets as it cools based on how far its water has evaporated and how concentrated the sugar becomes. Boiling too briefly leaves the icing runny, while boiling too long makes it hard and grainy. Testing a small drop in cold water shows when it has reached the right concentration.
“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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