Why it works: Cinnamon and vanilla match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 5,287 recipes. Both carry 4-methoxybenzaldehyde, which smells sweet, anise. The science ↓
Chocolate Frosting
Ingredients
Directions
In a saucepan, combine sugar, cream (or milk and butter), scraped chocolate, salt, and cinnamon if using.
Cook without stirring until the mixture can form a fine thread when tested.
Remove from heat and let it cool.
Once cool, beat the mixture until it reaches a thick cream consistency.
If not using cinnamon, add vanilla extract for flavor.
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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Cinnamon + vanillatop 1% of all pairsSmell alikestrongCooked together5,287 recipes
Shared aroma: 4-methoxybenzaldehyde (sweet, anise).
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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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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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Sugar + cinnamontop 10% of all pairsSmell alikelowCooked together30,779 recipes
Shared aroma: guaiacol (smoky, 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
- Granulated sugar
- Sweetens the frosting and, when cooked, helps it set firm as it cools.
- Cream
- Adds fat and moisture, giving the frosting a smooth, rich texture.
- Chocolate
- Provides the chocolate flavor and fat that give the frosting body.
The step that matters
Cook without stirring until a fine thread forms. Stirring during cooking can trigger sugar crystallization, leaving the frosting grainy. The thread test shows the sugar has reached the concentration needed to set properly when cooled and beaten.
“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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