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
Preheat your oven to 300°F (150°C).
In a large bowl, cream together the butter and brown sugar until light and fluffy.
Add the eggs one at a time, mixing well after each addition.
Stir in the molasses and melted currant jelly mixed with hot water.
In another bowl, combine the browned flour, baking soda, mace, cinnamon, cloves, pepper, and nutmeg.
Gradually add the dry ingredients to the wet mixture, mixing until just combined.
Fold in the raisins, currants, and figs.
Bake
Pour the batter into a greased cake pan and smooth the top.
Bake for several hours until a toothpick inserted in the center comes out clean.
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 + figtop 7% of all pairsSmell alikemoderateCooked together737 recipes
Shared aroma: beta-damascenone (apple, rose).
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Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
-
Sugar + molassestop 11% of all pairsSmell alikemoderateCooked together9,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Currant + figtop 11% of all pairsSmell alikemoderateCooked together276 recipes
Shared aroma: isoamyl acetate (banana, pear).
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.
- Butter
- Creaming with sugar traps air and gives the cake a tender, rich texture.
- Brown sugar
- Adds sweetness, moisture, and a deeper caramel flavor.
- Baking soda
- Reacts with the acidic molasses to lift and lighten the batter.
- Molasses
- Adds moisture, dark color, and a robust, slightly acidic flavor.
- Flour
- Forms the main structure of the cake as its proteins set in the oven.
The step that matters
Gradually add the dry ingredients to the wet mixture. Adding flour gradually and mixing only until combined keeps the batter from overdeveloping gluten, which would make the cake tough and dense.
Swap the mace
How well each one fits the dish's main ingredients (sugar, flour, raisin, currant, fig, butter, molasses):
- Cinnamonfits better
- Nutmegfits better
- Allspicefits better
- Macethe original
Fit is the average pairing score against sugar, flour, raisin, currant, fig, butter, molasses. 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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