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 Marble 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
Preheat the oven to 350°F (175°C).
Butter a cake pan.
Make the batter
In a bowl, cream the butter and sugar together.
Add the eggs one at a time, mixing well after each addition.
In another bowl, combine the flour and baking powder.
Gradually add the flour mixture to the butter mixture, alternating with the milk.
Dissolve the chocolate in a little milk or cream and stir it into a cup of the cake batter.
Marble and bake
Spread the dark batter over the light batter in the pan, forming little rings to create a marble effect.
Bake until a toothpick inserted in the center comes out clean.
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
- Butter
- Creams with sugar to trap air, giving the cake a tender, rich crumb.
- Sugar
- Sweetens the cake and, creamed with butter, helps create a light texture.
- Eggs
- Add structure and richness, binding the batter as the cake sets.
- Flour
- Forms the structure of the cake as its proteins set in the oven.
- Baking powder
- Releases gas in the batter, helping the cake rise.
- Chocolate
- Adds flavor and a dark color to one portion of the batter, creating the marble pattern.
The step that matters
Marbling the batter. Spreading the dark batter over the light in loose rings keeps the two colors distinct. Overmixing blends them into an even brown and loses the marble effect.
“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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