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 gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the batter
Preheat the oven to 350°F (175°C).
Cream the butter and sugar together until light and fluffy.
Dissolve the baking soda in a little hot water and add it to the milk, then mix into the creamed mixture.
Gradually stir in the flour.
Beat the egg yolks and add them to the mixture, then fold in the stiffly beaten egg whites.
Add the remaining ingredients, ensuring the fruit is floured to prevent sinking.
Bake and frost
Pour the batter into one large pan or several small pans.
Bake until a toothpick inserted in the center comes out clean.
For frosting, use 5 tablespoons of sugar for each egg white.
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).
-
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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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 stiffly beaten whites lighten it for a tender crumb.
- All-purpose flour
- Flour gives the batter structure and, when lightly coated on fruit, helps suspend it evenly.
- Butter
- Creamed with sugar, butter traps air and adds richness and tenderness.
- Baking soda
- Reacts with the acidity in the batter to produce gas that helps the cake rise.
- Raisins
- Dried fruit adds sweetness, moisture and chewy texture to the cake.
- Sugar
- Sugar sweetens the batter and, creamed with butter, helps build a light texture.
The step that matters
Flouring the fruit before folding it in. Heavy fruit sinks to the bottom of a batter that is not stiff enough to hold it. Lightly coating the pieces in flour helps them grip the batter so they stay suspended while baking.
Swap the currant
How well each one fits the dish's main ingredients (flour, sugar, butter, egg, milk, raisin, brandy):
- Vanillafits better
- Figfits better
- Apricotfits about as well
- Currantthe original
Fit is the average pairing score against flour, sugar, butter, egg, milk, raisin, brandy. 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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