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 ↓
Jelly 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 the batter
Preheat the oven to 350°F (175°C).
Cream together the sugar and butter.
Add the sweet milk, flour, eggs, and baking powder; mix well.
Divide the batter in half and bake one half in two pans.
To the remaining batter, add molasses, raisins, currants, and chopped citron; mix well.
Bake the second half in two tins.
Assemble
Once baked, layer the four cake layers alternately with frosting and jelly.
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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Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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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
- Butter
- Adds fat that makes the cake tender and rich in texture.
- Eggs
- Provide structure and help bind the batter as it sets in the oven.
- Flour
- Forms the main structure of the cake as its proteins set during baking.
- Baking powder
- Releases gas during baking so the layers rise and become light.
- Molasses
- Adds moisture, dark colour and a deeper sweetness to the darker batter.
The step that matters
Dividing the batter in half. The two halves are baked separately, so the batter should be split evenly to give layers of matching thickness and bake time.
Swap the currant
How well each one fits the dish's main ingredients (sugar, butter, milk, flour, egg, molasses, raisin):
- Vanillafits better
- Figfits better
- Datesfits about as well
- Currantthe original
Fit is the average pairing score against sugar, butter, milk, flour, egg, molasses, raisin. 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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