Why it works: Raisin and flour 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 Bread
Ingredients
Directions
Prepare the liquid
Dissolve the yeast cake in a little warm water.
Cook two medium-sized potatoes in a little more than a pint of water.
Press the cooked potatoes through a colander and measure.
While lukewarm, add the salt, sugar, yeast, melted butter, and raisins to the potato water.
Warm the flour slightly.
Make and rise the dough
Add the flour gradually to the liquid, stirring in enough flour to knead well but not enough to make a stiff dough.
Keep the dough in a warm place for 1.5 hours until light.
Knead the dough and let it rise again for an hour or more.
Shape and bake
Knead lightly again and form into loaves.
Let the loaves rise in the pans for about an hour.
Bake for 45 minutes.
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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Raisin + flourtop 1% of all pairsSmell alikestrongCooked together9,075 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Raisin + sugartop 13% of all pairsSmell alikemoderateCooked together12,481 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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
- Flour
- Provides the structure that gluten builds, holding the risen loaves together.
- Yeast
- Produces carbon dioxide as it ferments, making the dough rise and become light.
- Potato water or milk
- Supplies the liquid that hydrates the flour and yeast to form the dough.
- Butter
- Adds fat that tenderizes the crumb and gives a richer texture.
- Raisins
- Add sweetness and moisture to the finished loaf.
The step that matters
Add the flour gradually. Flour amount varies with humidity and dough hydration. Adding it slowly lets you stop once the dough is soft and kneadable, since too much flour makes the dough stiff and dense.
Swap the potato
How well each one fits the dish's main ingredients (butter, raisin, sugar, flour):
- Arrowrootfits better
- Sweet potatofits better
- Shallotfits better
- Potatothe original
Fit is the average pairing score against butter, raisin, sugar, flour. 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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