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 ↓
Light 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.
Make the batter
Cream the butter and sugar together.
Add the eggs two at a time, mixing well after each addition.
Sift the baking powder with the flour and mix it in.
Fold in the raisins, currants, citron, and mace.
Bake
Line the pans with paper and pour in the batter.
Bake in a slow oven at 300°F (150°C) until done.
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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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).
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Currant + macetop 12% of all pairsSmell alikelowCooked together1,791 recipes
Shared aroma: alpha-pinene (pine, turpentine).
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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
- Butter
- Creams with sugar to trap air and give the cake a tender, rich crumb.
- Sugar
- Sweetens the cake and, creamed with butter, helps build a light structure.
- Eggs
- Bind the batter and add structure and richness as the cake sets in the oven.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Baking powder
- Releases gas in the batter so the cake rises and becomes lighter.
- Raisins
- Add chewy pockets of sweetness and moisture throughout the cake.
The step that matters
Adding the eggs. Adding eggs two at a time and mixing well after each addition helps the butter and sugar emulsify and stay smooth. If the eggs are added too quickly, the batter can curdle and trap less air, which may affect the final texture.
Swap the mace
How well each one fits the dish's main ingredients (sugar, butter, egg, flour, raisin, currant):
- Cinnamonfits better
- Nutmegfits better
- Allspicefits better
- Macethe original
Fit is the average pairing score against sugar, butter, egg, flour, 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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