Why it works: Bread and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,145 recipes mention both. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the dough
Beat the egg very lightly.
Work the butter and light brown sugar into the dough thoroughly.
Let the dough rise lightly.
Shape and fry
Roll or cut the dough into the desired shape.
Fry the doughnuts in quite hot lard.
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. See the original page.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Bread + buttertop 3% of all pairsAroma overlapstrongMentioned together27,145 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 5% of all pairsAroma overlapmoderateMentioned together43,437 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Bread + eggtop 6% of all pairsAroma overlapstrongMentioned together22,584 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Butter + flourtop 6% of all pairsAroma overlaplowMentioned together122,858 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour share little aroma chemistry, yet 122,858 recipes mention both: they likely 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
- Light bread dough
- Forms the base of the doughnuts and gives a light, risen texture.
- Flour
- Provides structure as the dough is worked and shaped.
- Butter
- Adds richness and a tender crumb.
- Eggs
- Bind the dough and add richness and structure.
- Light brown sugar
- Adds sweetness and moisture, and helps the surface brown when fried.
- Cream
- Adds moisture and richness to the dough.
The step that matters
Fry in quite hot lard. If the lard is not hot enough, the doughnuts absorb excess fat and turn greasy. If it is too hot, the outside browns before the centre cooks through. Steady, well-heated fat cooks the dough evenly and gives a light, crisp surface.
“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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