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, 2 teaspoons of butter, beaten egg yolk, and ice-water into a paste with a wooden spoon.
Flour your pastry board.
Roll out the crust very thin.
Laminate
Place the remaining butter in the center of the sheet in a flat cake.
Fold the four corners of the paste over the butter.
Roll out carefully to avoid breaking the paste. If the paste tears, flour the spot to prevent sticking.
Sprinkle lightly with flour.
Fold up.
Roll out four more times.
Chill
Chill the rolled dough in a cold place for 15 minutes before using.
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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Butter + eggtop 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
- Flour
- Forms the structure of the paste once mixed with liquid.
- Butter
- Forms separate layers in the dough that create flakiness when baked.
- Egg yolk
- Adds richness and helps bind the paste.
- Ice-water
- Keeps the dough cold and moistens the flour without developing excess gluten.
The step that matters
Keeping the butter layer intact during rolling. If the butter softens or breaks through the paste, the layers merge and the pastry loses its flakiness. Keeping the dough cold and rolling gently preserves distinct layers of butter and dough that puff apart 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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