Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓
Caramel Frosting
Ingredients
Directions
Make the frosting
In a saucepan, combine milk, sugar, and butter.
Boil the mixture until it begins to thicken.
Remove from heat, add vanilla, and beat until thick enough to spread on cake.
Finish
Once it hardens, melt the chocolate and spread it over the frosting.
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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Milk + vanillatop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Vanilla + chocolatetop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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 + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 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
- Sugar
- Sweetens the frosting and, as it heats, helps thicken and set the mixture.
- Milk
- Provides the liquid base that cooks down into a creamy, spreadable mixture.
- Butter
- Adds fat for richness and a smoother, softer texture in the frosting.
- Chocolate
- Adds chocolate flavour and forms a rich top layer over the set frosting.
- Vanilla
- Adds aroma that rounds out the sweetness of the frosting.
The step that matters
Boiling until it begins to thicken. Sugar and milk must cook to the right concentration. Stopping too early leaves the frosting runny and unable to hold its shape, while overcooking makes it set too hard to spread. Beating while it cools helps it become thick and smooth.
“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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