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: Nut Cakl
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the batter
Preheat the oven to 350°F (175°C).
Melt the chocolate, then mix the melted chocolate with boiling water and combine it with the cake mixture.
Add the chopped walnuts to the mixture.
Bake and finish
Pour the batter into a shallow pan, making it 1½ to 2 inches thick.
Bake in the preheated oven until done.
Ice with white icing.
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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Chocolate + walnuttop 10% of all pairsSmell alikemoderateCooked together1,548 recipes
Shared aroma: 3-ethyl-2,5-dimethylpyrazine (roasted, nutty).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + walnuttop 12% of all pairsSmell alikemoderateCooked together5,873 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).
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
- Flour
- Forms the main structure that holds the cake's crumb together as it bakes.
- Eggs
- Add structure and moisture, and help bind the batter.
- Butter
- Adds fat for a tender crumb and rich flavor.
- Sugar
- Adds sweetness and contributes to a tender, browned crust.
- Baking powder
- Releases gas in the batter, helping the cake rise.
- Baker's chocolate
- Provides chocolate flavor and a deep brown color to the cake.
The step that matters
Bake until done. The batter is poured thick, so heat takes longer to reach the center. Underbaking leaves the middle wet and gummy, while the outside may already be overdone. Check that the center is set before removing the cake.
Swap the walnut
How well each one fits the dish's main ingredients (sugar, butter, milk, flour, egg, chocolate):
- Almondfits better
- Hazelnutfits about as well
- Pecansfits about as well
- Walnutthe original
Fit is the average pairing score against sugar, butter, milk, flour, egg, chocolate. Candidates are from the same food group and used in at least 100 recipes.
“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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