Why it works: Vanilla and milk 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 ↓
Chocolate Syrup
Ingredients
Directions
Make the syrup
Combine grated chocolate and boiling water in a saucepan.
Simmer slowly, stirring occasionally until dissolved.
Add granulated sugar and stir until dissolved.
Remove the spoon and simmer for 7 more minutes.
Strain the mixture.
Add vanilla extract.
Pour into hermetically sealed bottles.
Make the chocolate milk and serve
Mix 1½ cups of ice-cold milk with 2 tablespoons of syrup in a large, cold fruit jar.
Shake well for 3 minutes.
Pour into chilled glasses.
Top each with a teaspoon of whipped cream.
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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Vanilla + milktop 5% of all pairsSmell alikemoderateCooked together19,187 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
-
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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Chocolate + creamtop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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
- Grated chocolate
- Provides the cocoa solids and deep chocolate flavour of the syrup.
- Granulated sugar
- Sweetens the syrup and thickens it as it dissolves and simmers.
- Ice-cold milk
- Forms the base of the drink, carrying the chocolate flavour and giving a cool, creamy body.
The step that matters
Simmer slowly after adding the chocolate. Chocolate can scorch or seize if overheated, so it should melt gently while stirred. Keeping the heat low lets it dissolve smoothly into the water and avoids a grainy or burnt-tasting syrup.
“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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