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 ↓
Fruit Cake
Ingredients
Directions
The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the batter
Preheat the oven to 300°F (150°C).
In a large bowl, cream together the butter and sugar.
Add the egg yolks and mix well.
In a separate bowl, combine the flour, baking soda, and baking powder.
Gradually add the dry ingredients to the butter mixture.
Fold in the egg whites, currants, raisins, citron, and spices.
Stir in the wine, brandy, or whiskey until well combined.
Bake
Pour the batter into a greased cake pan.
Bake for several hours 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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Flour + raisintop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Currant + allspicetop 10% of all pairsSmell alikelowCooked together1,359 recipes
Shared aroma: ethyl benzoate (fruity, sweet).
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Raisin + allspicetop 10% of all pairsSmell alikemoderateCooked together1,475 recipes
Shared aroma: alpha-terpineol (lilac, floral).
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Currant + raisintop 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).
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
- Egg yolks enrich the batter and the whites, folded in, lighten its structure.
- Flour
- Provides the structure that holds the dense batter together as it bakes.
- Butter
- Creamed with sugar, it adds richness and a tender crumb.
- Sugar
- Creamed with butter, it adds sweetness and helps browning.
- Baking soda
- Reacts with acidic ingredients to produce gas that helps the cake rise.
- Currants
- Dried fruit adding sweetness, chew and moisture to the cake.
The step that matters
Gradually add the dry ingredients to the butter mixture. Adding flour in portions keeps the batter smooth and evenly combined, so the cake bakes with an even texture instead of lumps or dense pockets.
Swap the allspice
How well each one fits the dish's main ingredients (flour, butter, sugar, egg, currant, raisin, wine):
- Cinnamonfits better
- Nutmegfits better
- Allspicethe original
- Clovefits about as well
Fit is the average pairing score against flour, butter, sugar, egg, currant, raisin, wine. 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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