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 for Pies
Ingredients
Directions
Prepare
Wash your hands with soap and water, then dip them in very hot water followed by cold water.
Rinse a large bowl with boiling water, then with cold water, and fill it half with cold water.
Wash the butter in the cold water, working it until light and waxy.
Shape the butter into two thin cakes and place them in a pan of ice water to harden.
Make the dough
Mix the salt and sugar with the flour.
Rub one-third of the butter into the flour with your hands.
Add the ice water and stir quickly with a knife until the mixture forms a smooth ball.
Lightly sprinkle flour on a board and turn the paste onto it.
Pound the paste lightly with a rolling pin without breaking it.
Roll the paste to about ¼ inch thick.
Laminate and chill
Chop the remaining butter into bits and spread it on the paste, then sprinkle lightly with flour.
Fold the paste one-third from each side so the edges meet, then fold from the ends without having them meet.
Double the paste, pound lightly, and roll it down to about ⅓ inch thick.
Repeat the folding and rolling process three times for pies, or six times for vol‑au‑vents and tarts.
Place the rolled paste in the ice to harden for at least one hour before use.
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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Butter + sugartop 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
What each ingredient does
- Butter
- Forms separate layers of fat that puff into flaky sheets when the pastry bakes.
- Pastry flour
- Provides the structure that holds the layers together as the dough is rolled and folded.
- Ice water
- Keeps the butter cold and firm so it does not melt into the dough before baking.
- Salt
- Adds flavour to the dough.
The step that matters
Keeping the butter and paste cold. If the butter softens and blends into the dough, the separate layers are lost and the pastry will not puff. Chilling between rolls keeps the fat in distinct layers.
“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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