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 ↓
Black Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the batter
Preheat the oven to 300°F (150°C).
Cream the butter and sugar together until light and fluffy.
Add the eggs one at a time, mixing well after each addition.
Stir in the flour gradually.
Fold in the raisins, currants, citron, and brandy.
Bake
Pour the batter into prepared cake pans.
Bake for several hours until a skewer 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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Currant + brandytop 7% of all pairsSmell alikelowCooked together3,057 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
-
Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Raisin + brandytop 13% of all pairsSmell alikemoderateCooked together2,768 recipes
Shared aroma: beta-damascenone (apple, rose).
Flour and butter 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 the cake sets in the oven.
- Butter
- Creamed with sugar to trap air, giving a tender, rich crumb.
- Flour
- Forms the structure that holds the cake together as it bakes.
- Sugar
- Sweetens the cake and helps the creamed butter hold air.
- Raisins
- Add moisture, sweetness and chewy texture throughout the cake.
- Brandy
- Adds aroma and flavour to the fruit and batter.
The step that matters
Bake until a skewer comes out clean. A cake this dense with fruit and eggs can look set outside while the centre is still wet. Testing the centre with a skewer confirms it is fully baked, since the long bake is needed to cook the thick batter through.
Swap the currant
How well each one fits the dish's main ingredients (flour, sugar, butter, raisin, brandy, egg):
- Vanillafits better
- Figfits better
- Apricotfits about as well
- Currantthe original
Fit is the average pairing score against flour, sugar, butter, raisin, brandy, egg. 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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