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
Sift salt and flour together.
Cut ⅓ of the butter into the flour.
Make a stiff paste with ice water.
Knead well on a board, wrap in a damp cloth, and refrigerate for ½ hour.
Laminate
Divide the remaining butter into three parts, flatten into sheets, and refrigerate.
Roll out the paste to ½ inch thick, place one piece of butter in the center, and fold over and under.
Roll out the fold again and repeat the process until all butter is used.
Rest
Wrap in a cloth and refrigerate for several hours before using.
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).
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 gluten network that gives the pastry its structure once rolled and folded.
- Butter
- Stays in separate layers within the dough, creating steam pockets that make the pastry flaky and rise.
- Ice water
- Hydrates the flour into a stiff paste while keeping the butter cold so it does not melt in.
- Salt
- Adds flavor to the dough.
The step that matters
Keeping the butter cold during rolling and folding. If the butter softens and melts into the dough, it is absorbed by the flour instead of staying in layers, so the pastry loses its flakiness. Chilling between folds keeps the layers distinct.
“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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