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 ↓
Puff Paste
Ingredients
Directions
Make the dough
Place the flour on a clean surface.
Beat the egg yolks and mix in a few spoonfuls of ice water.
Pour the egg mixture into the center of the flour while stirring with your fingertips until a firm, smooth paste forms.
Roll the paste into a rectangular shape.
Prepare the butter
If the butter is soft, chill it in ice water until firm.
Work the butter until it is dry and supple, but not melted.
Laminate
Divide the butter into three parts and spread one part evenly over half of the paste.
Fold the other half of the paste over the butter.
Fold again from right to left.
Roll out the paste again.
Spread another portion of butter on half of the paste.
Fold the paste.
Roll out the paste.
Repeat with the last portion of butter.
After the final roll, place the paste in the refrigerator to keep the butter firm.
Once cooled, the paste is ready to use and can be stored in a very cold place for a day or two.
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 + 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).
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
- Flour
- Forms the structure of the paste once mixed with liquid.
- Butter
- Forms separate layers that create flaky texture when the paste is folded and rolled.
- Egg yolks
- Add richness and help bind the flour into a smooth, pliable paste.
- Ice water
- Moisture that hydrates the flour while keeping the dough cold for layering.
The step that matters
Keeping the butter firm while rolling. If the butter softens and melts into the paste, it blends in instead of forming distinct layers, so the pastry loses its flakiness. Keeping the paste and butter cold between rolls keeps the layers separate.
“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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