Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Raised Doughnuts
Ingredients
Directions
Make the dough
Rub the butter and lard into a quart of sifted flour.
Add the salt and spices if desired.
Pour the warm water into the flour, then add the beaten eggs and sugar.
Mix everything together and add enough flour to form a soft dough.
Let the dough rise overnight.
Shape and fry
Knead the dough again in the morning and let it rise on the molding board until it begins to rise again.
Roll out the dough and cut it into rings or twists.
Fry the doughnuts in hot oil until golden brown.
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + curranttop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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
- Butter and lard
- Fat that coats flour particles, giving the doughnuts a tender, flaky-short texture and richness.
- Eggs
- Add structure and richness, and help bind the soft dough.
- Yeast
- Produces gas as it ferments, making the dough rise and become light.
- Sugar
- Feeds the yeast and adds sweetness and golden browning during frying.
- Flour
- Forms the gluten network that gives the dough its structure and shape.
The step that matters
Let the dough rise overnight. Yeast needs time to ferment and build gas and flavor; a slow, cool rise develops texture, and under-proofed dough will fry up dense.
Swap the currant
The recipe marks currant as optional. How well each one fits the dish's main ingredients (butter, egg, sugar, flour):
- Raisinfits better
- Vanillafits better
- Figfits better
- Currantthe original
Fit is the average pairing score against butter, egg, 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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