Why it works: Flour and raisin match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Ribbon 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 the batter
Preheat the oven to 350°F (175°C).
In a large bowl, cream together the sugar and butter. Add the flour, milk, eggs, and baking powder, and mix until smooth.
Separate the batter into three equal parts.
To one part, add the raisins, currants, molasses, and spices.
Bake and assemble
Pour the three parts into corresponding size pans.
Bake until a toothpick inserted comes out clean.
Layer the dark part between the two lighter parts with a little jelly in between.
Press the layers lightly together and frost if desired.
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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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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
- Bind the batter and add structure as they set in the oven.
- Baking powder
- Releases gas during baking so the layers rise and stay light.
- Butter
- Creamed with sugar to trap air and add richness and tenderness.
- Flour
- Forms the structure that holds the cake's layers together.
- Molasses
- Adds dark colour and a deep, slightly bitter sweetness to the dark layer.
The step that matters
Baking until a toothpick comes out clean. Underbaked layers stay wet in the centre and can collapse or sink, while overbaking dries the crumb. Test in the centre of each layer, since the pans differ in size and depth.
Swap the currant
How well each one fits the dish's main ingredients (sugar, butter, flour, milk, egg, raisin, molasses):
- Vanillafits better
- Figfits better
- Datesfits about as well
- Currantthe original
Fit is the average pairing score against sugar, butter, flour, milk, egg, raisin, 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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