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.
Prepare
Preheat the oven to 350°F (175°C).
In a bowl, cream together the butter and white sugar.
Make the batters
Add the sweet milk, cream of tartar, baking soda, and flour, mixing well.
In another bowl, beat the yolks of the eggs with brown sugar, molasses, sour milk, and baking soda.
Bake
Combine the two mixtures, alternating spoonfuls of dark and white batter in the pan.
Bake until a toothpick inserted 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).
-
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
- Flour
- Provides the structure that holds the cake's crumb once baked.
- Butter
- Adds fat for a tender crumb and rich flavour.
- Eggs
- Yolks add richness and emulsify the batter, while the eggs help set the structure.
- Molasses
- Adds moisture, deep colour and a robust sweetness to the dark batter.
- Sour milk
- Its acidity reacts with baking soda, helping the dark batter rise.
- Baking soda
- Reacts with the acidic sour milk and molasses to release gas that lifts the cake.
The step that matters
Combining the two batters. Stir only enough to join the batters loosely. Overmixing develops gluten and deflates the batter, which blurs the dark and white swirls and makes the cake dense.
“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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