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 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the batter
Cream together the brown sugar and butter.
Beat the eggs separately.
Add the yolks to the butter and sugar mixture along with the molasses. Stir well.
Add flour and fruit
Gradually add half of the flour and half of the egg whites.
Stir in the remaining flour and egg whites.
Fold in the spices, currants, raisins (dusted with flour), citron, and brandy.
Bake
Bake in a preheated oven at 300°F (150°C) for 4.5 to 5 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 + raisintop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Raisin + gingertop 11% of all pairsSmell alikemoderateCooked together1,242 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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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
- Provide structure and set as the batter bakes, and lift the crumb when whites are folded in.
- Flour
- Forms the gluten network that gives the cake its structure and holds the fruit in place.
- Butter
- Adds richness and a tender crumb by coating flour particles and carrying flavour.
- Brown sugar
- Sweetens the batter, adds moisture, and helps the cake brown during baking.
- Molasses
- Adds moisture, a deep colour, and a robust, slightly bitter sweetness.
The step that matters
Adding the flour and egg whites. Add flour in portions and stop mixing once it is combined. Overmixing develops too much gluten, making the cake dense and tough. Gentle folding keeps the air from the whites and spreads the heavy fruit evenly without crushing the batter.
Swap the currant
How well each one fits the dish's main ingredients (sugar, butter, egg, flour, raisin, molasses, ginger):
- Vanillafits better
- Figfits better
- Lemonfits better
- Currantthe original
Fit is the average pairing score against sugar, butter, egg, flour, raisin, molasses, ginger. 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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