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 ↓
Christmas Plum Pudding
Ingredients
Directions
Make the batter
Cream butter and sugar together until light and fluffy.
Beat in the egg yolks until smooth.
Add the milk gradually, alternating with the flour.
Fold in the beaten egg whites.
Add the brandy and spices.
Add the fruit
Dredge the chopped fruit in flour.
Mix the floured fruit into the batter.
Boil the pudding
Prepare a pudding cloth by wringing it out in hot water and flouring it well.
Pour the mixture into the cloth and tie it securely.
Boil for five hours.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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, giving a light, rich texture and moisture.
- Eggs
- Whites add lift when folded in; yolks enrich the batter and help bind it.
- Flour
- Provides structure as the batter sets during boiling.
- Suet
- Adds fat that keeps the pudding moist and tender.
- Raisins
- Add sweetness, chewy texture and body to the pudding.
- Sugar
- Sweetens the pudding and helps create a light, creamed base.
The step that matters
Securing the cloth. If the cloth is not tied securely, or is not well floured, water can seep into the pudding during the long boil, making it heavy and soggy. A well-floured cloth also helps form a skin that keeps the pudding's shape.
Swap the currant
How well each one fits the dish's main ingredients (butter, sugar, flour, raisin, egg, milk, brandy):
- Vanillafits better
- Figfits better
- Apricotfits about as well
- Currantthe original
Fit is the average pairing score against butter, sugar, flour, raisin, egg, milk, 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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