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).
Cream the butter.
Gradually add the sugar.
Beat the egg yolks until very light.
Add the beaten yolks to the mixture.
Add the flour and milk alternately.
Fold in the stiffly beaten egg whites.
Divide the batter into three parts.
Make the fruit layer
Add the raisins, currants, citron, molasses, brandy or coffee, and spices to one part.
Flour the fruit lightly.
Bake the fruit layer separately.
Bake and assemble
Bake the two plain layers in layer pans.
Once baked, layer the fruit cake between the plain cakes.
Spread white or pink icing or apple jelly between the layers.
Press the layers lightly together.
Trim the edges.
Frost with white icing.
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).
-
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
- Butter
- Creaming with sugar traps air, giving the cake a tender, fine crumb and rich flavour.
- Eggs
- Yolks add richness and whites, folded in stiffly, lighten the batter and add structure.
- Pastry flour
- Provides the structure that holds the layers together once the batter sets in the oven.
- Baking powder
- Releases gas during baking, helping the layers rise and turn light.
- Raisins
- Add chewy sweetness and moisture to the fruit layer.
- Currants
- Add small bursts of tart sweetness and moisture to the fruit layer.
The step that matters
Folding in the stiffly beaten egg whites. Stiff whites hold air that lightens the batter. Folding gently keeps that air in; stirring hard deflates it, leaving layers dense and flat.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, egg, milk, flour, raisin, molasses):
- Vanillafits better
- Figfits better
- Datesfits about as well
- Currantthe original
Fit is the average pairing score against butter, sugar, egg, milk, flour, 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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