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 ↓
Rough Puff Pastry
Ingredients
Directions
Make the dough
Sift the flour into a bowl.
Cut the butter into the flour with a knife until just combined.
Mix in the water to form a dough.
Laminate and rest
Roll out the dough five times, flouring the board as needed.
Roll the dough into a long thin strip. Fold the strip into thirds. Turn the open edge towards you. Roll the dough out again.
Roll lightly and lift the rolling pin constantly.
Use immediately or let it rest in a cool place for an hour.
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 network that gives the dough its structure.
- Unsalted butter
- Forms separate layers of fat that create flaky layers as the dough is folded and rolled.
- Water
- Hydrates the flour so the dough holds together and can be rolled.
The step that matters
Keeping the butter in distinct layers while rolling. If the butter softens or melts into the dough, the layers blend and the pastry loses its flakiness. Rolling lightly and keeping the dough cool helps the butter stay in separate sheets, which steam apart in the oven.
“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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