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).
In a bowl, beat the eggs and mix in the sugar, flour, butter, milk, baking soda, and cream of tartar until smooth.
Pour the batter into jelly‑cake tins and bake until a toothpick comes out clean.
Make the chocolate topping
While the cake is baking, prepare the chocolate mixture: combine the grated chocolate, brown sugar, sweet milk, and flour in a saucepan.
Add the butter and water, then cook over medium heat until it hardens when dropped into cold water.
Once done, stir in the vanilla and spread the mixture over the hot cake.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Eggs
- Bind the batter and add structure and richness as they set in the oven.
- Flour
- Forms the structure of the cake crumb as the batter sets.
- Butter
- Adds fat for tenderness and a rich, moist crumb.
- Baking soda
- Reacts with the acidic cream of tartar to produce gas that lifts the batter.
- Cream of tartar
- Acidifies the batter so baking soda can react and help the cake rise.
- Baker's chocolate
- Provides the chocolate flavour and dark colour of the topping.
The step that matters
Cooking the chocolate mixture to the hardening stage. Sugar must reach the right concentration to set firm when cooled. Undercooked, the topping stays soft and runny; overcooked, it turns grainy or brittle. Watch the heat closely and test by dropping a little into cold water.
“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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