Why it works: Raisin and flour 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 Fruit Cake
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 300°F (150°C).
Make the batter
Mix the seeded raisins and currants with the butter.
Break in the eggs and beat well together.
Add the brown sugar, brandy, wine (if using), cloves, nutmeg, cinnamon, mixed peel, dark molasses, and baking soda dissolved in warm water. Gradually add the flour and mix until combined.
Bake
Pour the batter into a prepared cake pan.
Bake for three 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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Raisin + flourtop 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).
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Brandy + winetop 9% of all pairsSmell alikemoderateCooked together2,427 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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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
- Eggs
- Bind the batter and add structure as they set during baking.
- Flour
- Forms the structure that holds the fruit and batter together as the cake sets.
- Butter
- Adds richness and tenderness and helps carry flavour through the batter.
- Dark molasses
- Adds moisture, depth of flavour and a darker colour to the cake.
- Baking soda
- Reacts with the acidic molasses to help the cake rise.
- Brown sugar
- Adds sweetness and moisture and contributes to the cake's colour and flavour.
The step that matters
Baking the batter for three hours at a low temperature. A long, low bake lets the dense, fruit-heavy batter cook through evenly without the outside over-browning or drying before the centre sets.
Swap the currant
How well each one fits the dish's main ingredients (raisin, sugar, butter, flour, egg, brandy, wine):
- Vanillafits better
- Figfits better
- Applefits about as well
- Currantthe original
Fit is the average pairing score against raisin, sugar, butter, flour, egg, brandy, 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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