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 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.
Make the white batter
Preheat the oven to 350°F (175°C).
In a bowl, beat the whites of 4 eggs until stiff.
Gradually add 1 cup of white sugar and ½ cup of butter, mixing well.
Stir in ½ cup of sweet milk and 1 teaspoon of cream of tartar.
Fold in 2½ cups of flour gently.
Make the dark batter
In another bowl, mix the yolks of 4 eggs with 1 cup of brown sugar and ½ cup of molasses.
Add ½ cup of butter and ½ cup of sour milk, then mix well.
Stir in 1 teaspoon of baking soda, 2½ cups of flour, ¼ teaspoon of salt, and spices to taste.
Marble and bake
Layer the two mixtures in a greased cake pan and swirl them together.
Bake for about 30-40 minutes or until a toothpick 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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Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Eggs
- Whipped whites give the white batter lift, while yolks add richness and colour to the dark batter.
- Butter
- Adds fat for a tender crumb and rich flavour in both batters.
- Flour
- Provides the structure that holds the cake together as it bakes.
- Molasses
- Adds moisture, deep colour and a robust sweetness to the dark batter.
- Cream of tartar
- Stabilises the whipped egg whites so they hold their volume.
- Baking soda
- Reacts with the sour milk to produce gas that helps the dark batter rise.
The step that matters
Swirling the two mixtures. Over-swirling blends the light and dark batters into a uniform colour, losing the marbled look. A few gentle turns keep distinct streaks while the batters still set evenly.
“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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