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 ↓
Luncheon 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.
Make the sponge
Make a sponge by mixing lukewarm water with enough flour to create a thick batter. Stir in salt and homemade yeast.
Flour the washed currants and pitted raisins, then add them to the sponge when it is light.
Make the dough
In a separate bowl, cream together sugar and softened butter.
Add this mixture and 1 pound of flour to the sponge, along with enough milk to form a soft dough.
Knead the dough well.
Bake
Place the dough in a pan.
Let it rise again.
Bake in a moderate oven at 350°F (175°C) until golden.
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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Currant + raisintop 10% of all pairsSmell alikelowCooked together6,180 recipes
Shared aroma: gamma-nonanolactone (coconut, creamy).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Raisin + sugartop 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
- Yeast
- Ferments the sponge, producing gas that makes the cake rise and turn light.
- Flour
- Forms the gluten network that gives the dough its structure and holds the gas bubbles.
- Butter
- Adds fat that tenderizes the crumb and carries flavor.
- Sugar
- Sweetens the cake and helps the crust brown during baking.
- Dried currants
- Add concentrated sweetness, chew and fruit flavor throughout the cake.
The step that matters
Flour the currants and raisins before adding them. Dusting the dried fruit with flour helps keep it from sinking to the bottom of the dough, spreading it evenly through the cake.
Swap the currant
How well each one fits the dish's main ingredients (flour, raisin, sugar, butter, milk):
- Vanillafits better
- Figfits better
- Coconutfits better
- Currantthe original
Fit is the average pairing score against flour, raisin, sugar, butter, milk. 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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