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 bowl, mix the flour with the egg and enough water to form a stiff dough.
Knead the dough until it becomes pliable and can stretch into strings.
Work the butter until it is tough, then roll out the dough thickly.
Laminate
Place all the butter in the center of the dough and fold the dough over it evenly.
Roll out the dough again and fold it in thirds three times.
Roll out the dough to a thickness of about ¼ inch for tartlets or cut into shapes.
Bake and finish
Place on a baking sheet and brush with the egg yolk mixture, avoiding the sides.
Bake until golden, then remove the tops and scoop out the soft paste inside.
Let them sit on kitchen paper to absorb excess butter.
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 + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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 and stretch.
- Unsalted butter
- Forms the separate fat layers that create flaky layers as the pastry bakes.
- Egg
- Binds the dough and adds richness to its structure.
- Egg yolk
- Brushed on top to promote browning and a glossy golden finish.
The step that matters
Placing the butter and folding the dough. The butter must stay in distinct layers rather than melting into the dough. If it softens too much or is unevenly spread, the layers blend and the pastry loses its flakiness when baked.
“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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