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.
Prepare the batter
Preheat oven to 350°F (175°C).
Cream butter and sugar together until light and fluffy.
Add sweet milk and mix well.
In a separate bowl, combine flour, baking soda, and cream of tartar.
Gradually add dry ingredients to wet mixture, stirring until just combined.
Marble and bake
Take a small portion of batter, mix in spices and molasses to darken it.
Swirl dark batter into light batter in baking pan.
Bake for about 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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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
- Butter
- Creams with sugar to trap air, giving the cake a light, tender crumb and rich flavor.
- Sugar
- Creams with butter for airy structure and adds sweetness and gentle browning.
- Flour
- Provides the main structure that sets as the cake bakes.
- Baking soda
- Reacts with the acidic cream of tartar to release gas that helps the cake rise.
- Cream of tartar
- Acidifies the batter so it reacts with baking soda, producing lift and a tender texture.
- Molasses
- Darkens the portion of batter it is mixed into and adds deep, slightly bittersweet flavor.
The step that matters
Gradually add dry ingredients to wet mixture, stirring until just combined. Overmixing once flour meets liquid develops gluten, which can make the cake tough and dense. Stop as soon as no dry streaks remain.
“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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