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 ↓
A Good Fruit Cake
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Preheat the oven to 350°F (175°C).
Make the batter
In a large bowl, cream together the butter and sugar.
Add the coffee, milk, and shortening, mixing well.
In another bowl, combine the flour and baking soda.
Gradually add the dry ingredients to the wet mixture, stirring until combined.
Fold in the raisins.
Bake
Divide the batter into four loaf pans.
Bake in the preheated oven until a toothpick 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Coffee + milktop 10% of all pairsSmell alikemoderateCooked together2,202 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Flour
- Provides the structure that holds the cake together as it bakes.
- Baking soda
- Reacts with the acidic coffee and reacts to lift the batter as it bakes.
- Butter
- Adds richness and tenderness through fat that coats the flour and creams with sugar.
- White sugar
- Sweetens the cake and helps the creamed mixture hold air for a lighter crumb.
- Shortening
- Adds fat that keeps the crumb tender and moist.
- Seeded raisins
- Add chewy texture and concentrated sweetness throughout the cake.
The step that matters
Combining the dry ingredients into the wet mixture. Stirring only until combined keeps the batter tender, because extra mixing develops gluten in the flour and can make the cake tough and dense.
Swap the raisin
How well each one fits the dish's main ingredients (sugar, coffee, butter, milk, flour):
- Vanillafits better
- Raisinthe original
- Figfits less well
- Coconutfits less well
Fit is the average pairing score against sugar, coffee, butter, milk, flour. 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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