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 ↓
Marble Layer 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. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat oven to 350°F (175°C).
Make the light batter
In a bowl, cream together the white sugar and ½ cup butter until light and fluffy.
Add ½ cup milk and the egg whites, mixing well.
In another bowl, combine 1 teaspoon cream of tartar, ½ teaspoon baking soda, and 2 cups flour; add to the wet mixture and mix until smooth.
Make the dark batter
For the dark part, cream together the brown sugar and ¼ cup butter.
Stir in ½ cup molasses and ¼ cup milk.
Add the grated nutmeg, cinnamon, allspice, ½ teaspoon baking soda, 1 teaspoon cream of tartar, and 2 cups flour; mix well.
Bake
In a greased cake pan, alternate spoonfuls of the light and dark batter.
Bake for 30-35 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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Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Egg whites add structure and lift to the light batter as it bakes.
- Butter
- Creamed with sugar, butter traps air and adds tenderness and richness.
- All-purpose flour
- Flour forms the gluten network that gives the cake its structure.
- Baking soda
- Reacts with the acidic cream of tartar and molasses to produce gas that helps the cake rise.
- Molasses
- Adds the dark colour, moisture, and a deep sweetness to the dark batter.
- Brown sugar
- Adds sweetness, moisture, and a caramel flavour to the dark batter.
The step that matters
Alternating the light and dark batter. Spooning the two batters in alternating layers keeps them distinct. Overmixing or stirring them together blends the colours and loses the marble pattern.
Swap the nutmeg
How well each one fits the dish's main ingredients (sugar, butter, milk, egg, cream, flour, molasses):
- Cinnamonfits about as well
- Nutmegthe original
- Gingerfits less well
- Allspicefits less well
Fit is the average pairing score against sugar, butter, milk, egg, cream, flour, molasses. 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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