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 ↓
Loaf Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat the oven to 350°F (175°C).
Beat the egg whites.
Beat the yolks.
Dissolve the baking soda in the milk.
Toss the raisins and currants in a little flour to prevent them from sinking.
Make the batter
Cream the sugar and butter together until light and fluffy.
Add the egg yolks, milk with baking soda, spices, lemon zest, and flour to the creamed mixture.
Fold in the beaten egg whites.
Finally add the floured fruit.
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).
-
Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
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).
-
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
- All-purpose flour
- Provides the structure that sets the cake crumb as the batter bakes.
- Butter
- Creaming with sugar traps air and adds tenderness and richness to the crumb.
- Eggs
- Yolks add richness and emulsify the batter; whites are folded in to lighten it.
- Baking soda
- Reacts with the milk to produce gas that helps the cake rise.
- Sugar
- Sweetens the cake and, creamed with butter, helps give a light texture.
- Raisins and currants
- Add sweetness, chew and moisture to the crumb.
The step that matters
Folding in the beaten egg whites. Egg whites hold air that gives the loaf its lift. Overmixing or stirring vigorously deflates them, leaving a denser cake.
Swap the currant
How well each one fits the dish's main ingredients (flour, sugar, butter, egg, milk, raisin, lemon):
- Vanillafits better
- Figfits better
- Blackberryfits better
- Currantthe original
Fit is the average pairing score against flour, sugar, butter, egg, milk, raisin, lemon. 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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