Why it works: Flour and butter 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 ↓
Coffee Rolls
Ingredients
Directions
The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Knead the dough thoroughly, then place it in a saucepan with warm water and let it rise at 70°F (21°C) until doubled in size.
In a mixing bowl, combine flour, salt, sugar, butter, and 1 egg at a time, mixing until smooth and fine-grained.
Once the sponge is light, remove it from the water and fold it into the egg mixture, then blend thoroughly.
Let the mixture rise again at 70°F (21°C) until doubled in bulk, then turn it onto a floured board and pat out.
Fold the dough several times, let it rise again, and then chill it in the refrigerator overnight.
Roll the chilled dough into a sheet about ¼ inch thick and brush lightly with softened butter.
Fold the dough from the sides toward the center to create three layers, then cut into strips ¾ inch wide.
Twist each strip from the ends in opposite directions and form a circle on a baking sheet, bringing the ends side by side at the center.
Arrange the rolls close together in a baking pan, brush with beaten egg yolk diluted with milk, let rise, and bake for about 20 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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Sugar + buttertop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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
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