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
In a large bowl, rub the butter into the flour until very fine.
Add cold water gradually to form a light paste, just stiff enough to work.
Roll the dough to about ¼ inch thick.
Laminate and fold
Spread a layer of butter over the dough and sprinkle with a little flour.
Fold the dough in half and roll it out again.
Repeat the folding and rolling process seven or eight times.
The puff paste is now ready for use in pies and tarts.
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
- All-purpose flour
- Forms the gluten structure that holds the dough's layers together.
- Unsalted butter
- Forms separate layers that steam and lift the dough, creating flakiness when baked.
- Cold water
- Hydrates the flour into a workable dough without melting the butter.
The step that matters
Keeping the butter cold during rolling and folding. If the butter softens and blends into the dough, it will not form distinct layers, and the pastry will lose its puff when baked. Keeping the dough cool between folds preserves the separate layers of butter and dough.
“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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