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 Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the cake
Preheat the oven to 350°F (175°C).
Cream the butter and sugar together.
Add the egg yolks and mix well.
Stir in the milk and corn starch.
Mix the baking powder with the flour, then add to the mixture.
Pour the batter into jelly tins and bake until done.
Make the icing
For the icing, grate the chocolate into the sweet milk and dissolve it.
Heat the milk to boiling point.
Mix the corn starch with a little cold milk and add to the chocolate mixture.
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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Butter + milktop 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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Corn + vanillatop 9% of all pairsSmell alikemoderateCooked together1,943 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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
- Butter
- Creaming with sugar traps air, giving the cake a tender, fine crumb.
- Egg yolks
- Add richness and help bind the batter into a structure that holds together.
- Baking powder
- Releases gas when heated, helping the cake rise in the oven.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Baker's chocolate
- Gives the icing its chocolate flavour and deep colour.
- Corn starch
- Thickens the icing as it heats, giving it a smooth, spreadable body.
The step that matters
Mix the corn starch with cold milk before adding it. Corn starch clumps if it goes straight into hot liquid. Mixing it first with a little cold milk lets the granules separate, so the icing thickens smoothly without lumps.
“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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