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 ↓
Chocolate Sauce
Ingredients
Directions
Scald the milk in a saucepan.
Dissolve the cornstarch in a little cold milk and add it to the scalded milk.
Beat the egg and mix it into the saucepan with the sugar, chocolate, and 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.
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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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 + chocolatetop 13% of all pairsSmell alikemoderateCooked together15,404 recipes
Shared aroma: guaiacol (smoky, sweet).
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Milk + chocolatetop 13% of all pairsSmell alikemoderateCooked together9,128 recipes
Shared aroma: gamma-nonanolactone (coconut, 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
- Milk
- Forms the liquid base and gives the sauce its body and richness.
- Cornstarch
- Starch granules swell when heated and thicken the liquid into a sauce.
- Egg
- Egg proteins set when heated and help thicken and enrich the sauce.
- Sugar
- Adds sweetness and balances the bitterness of the chocolate.
- Ground chocolate
- Provides the main chocolate flavor and color of the sauce.
- Vanilla
- Adds aroma that rounds out the chocolate flavor.
The step that matters
Dissolve the cornstarch in cold milk first. Starch granules clump into lumps if dropped into hot liquid undispersed. Dissolving them in cold milk first lets the granules separate, so they swell evenly and thicken the sauce smoothly when heated.
“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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