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
Preheat the oven to 300°F (150°C).
Make the batter
In a large bowl, cream together the butter and sugar.
Add the eggs one at a time, mixing well after each addition.
Stir in the flour, mace, coffee (or wine/brandy), raisins, currants, citron, walnuts, and figs until well combined.
Bake and cool
Pour the batter into a greased cake pan.
Bake for 6 hours.
Leave the cake in the oven overnight to cool.
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).
-
Raisin + curranttop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Currant + macetop 12% of all pairsSmell alikelowCooked together1,791 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Sugar + raisintop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
Flour and butter 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.
- Butter
- Adds richness and tenderness through fat creamed with sugar.
- Flour
- Forms the structure that holds the dense fruit and nuts together.
- Sugar
- Sweetens the cake and helps creaming trap air in the butter.
- Raisins
- Add moisture and concentrated sweetness throughout the cake.
- Black walnut kernels
- Add crunch and a rich, nutty flavour to the batter.
The step that matters
Long, low baking. Six hours at a low temperature lets the dense batter set through without the outside burning, and the cooling overnight in the oven reduces the risk of the centre sinking or cracking from a sudden drop in heat.
Swap the mace
How well each one fits the dish's main ingredients (flour, butter, sugar, egg, raisin, currant, coffee):
- Cinnamonfits better
- Nutmegfits better
- Allspicefits better
- Macethe original
Fit is the average pairing score against flour, butter, sugar, egg, raisin, currant, coffee. 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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