Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. 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.
Prepare the cake
Preheat the oven to 350°F (175°C).
Beat the butter until creamy, then stir in the sugar and beat until light.
Add the milk, then gradually mix in the flour and finally fold in the beaten egg whites.
Pour the batter into cake pans and bake until a toothpick comes out clean.
Make the filling
For the filling, combine the white sugar, butter, and sweet milk in a saucepan.
Add the grated chocolate and boil until thick, stirring constantly.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Egg whites
- Whipped and folded in to lighten the batter and give the cake structure as it sets.
- Butter
- Creamed with the sugar to trap air and add richness and a tender crumb.
- Flour
- Forms the structure of the cake as the batter sets in the oven.
- Baking powder
- Releases gas in the batter so the cake rises and becomes light.
- Grated chocolate
- Melts into the filling to add flavour and thicken it as it boils.
The step that matters
Boil the filling until thick while stirring constantly. Sugar and milk can scorch on the bottom of the saucepan if not stirred, and the mixture thickens as water evaporates and sugar concentrates. Constant stirring keeps it even and prevents burning.
“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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