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
Mix the flour with enough water and a pinch of salt until it reaches the consistency of butter.
Let the dough rest for 30 minutes.
Flatten the dough with your hand and place the butter on top.
Fold the dough over the butter in a four-corner way.
Laminate
Roll the dough out twice, then let it rest in a cool place for 45 minutes.
Roll the dough out twice more, then let it rest for another 45 minutes.
Roll the dough out twice again.
Bake
Place the dough in a large paper bag that does not touch the paste.
Bake in a hot oven at 400°F (200°C) for 20 minutes.
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 dough its structure and layers.
- Butter
- Stays solid between dough layers and creates steam in the oven, producing flaky separation.
The step that matters
Keeping the butter and dough cool during rolling and resting. If the butter softens or melts into the dough, the layers blend together instead of staying separate, so the pastry will not puff and turn flaky.
“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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