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 That Will Keep a Year
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 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 and currants.
Add the brandy and spices to taste.
Bake
Pour the batter into a greased cake pan.
Bake until a skewer 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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Brandy + curranttop 7% of all pairsSmell alikelowCooked together3,057 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Currant + macetop 12% of all pairsSmell alikelowCooked together1,791 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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
- Creamed with sugar to trap air, giving the cake a light, tender crumb.
- Eggs
- Add structure as they set, and help bind the batter together.
- Flour
- Forms the cake's main structure once heated and set.
- Raisins and currants
- Add moisture, chew and concentrated sweetness throughout the cake.
- Brandy
- Adds aroma and flavour, and a little moisture to the batter.
The step that matters
Adding the eggs one at a time. Beating each egg in fully before the next keeps the butter and sugar emulsified. If the batter curdles, it can bake up heavy and uneven.
Swap the mace
How well each one fits the dish's main ingredients (sugar, butter, flour, egg, brandy, raisin, currant):
- Cinnamonfits better
- Nutmegfits better
- Allspicefits better
- Macethe original
Fit is the average pairing score against sugar, butter, flour, egg, brandy, raisin, currant. 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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