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 says “a slow 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) and grease a cake pan.
Cream the butter and sugar together until light and fluffy.
Add the corn-starch, beaten egg yolks, sweet milk, flour, baking soda, cream of tartar, and vanilla; mix well.
In a separate bowl, beat the egg whites until stiff and fold them into the batter.
Marble and bake
Take out 1 cup of the batter and stir in the grated chocolate.
Drop the chocolate batter alternately with the plain batter into the greased pan.
Bake for 30–40 minutes or 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 + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Corn + milktop 10% of all pairsSmell alikemoderateCooked together6,955 recipes
Shared aroma: hexanal (green, grassy).
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Cream + chocolatetop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Yolks bind and enrich the batter, while whipped whites add lift and a light crumb.
- Butter
- Creamed with sugar, it traps air and adds fat for a tender, rich texture.
- Sugar
- Creamed with butter, it adds sweetness and helps create a light, fluffy structure.
- Flour
- Provides the main structure that holds the cake together as it bakes.
- Baking soda
- Reacts with the acidic cream of tartar to produce gas that helps the cake rise.
- Cream of tartar
- Acidifies the batter so it reacts with baking soda, aiding lift and a finer crumb.
The step that matters
Folding in the beaten egg whites. Whites hold air only if beaten until stiff; overmixing when folding deflates them, leading to a dense cake instead of a light one.
“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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