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 ↓
Rich Puff Paste
Ingredients
Directions
Make the dough
Mix the flour and butter in a bowl until crumbly.
Add enough water to form a stiff paste.
Layer and fold
Roll out the dough and layer slices of butter on top.
Fold the ends and roll thin.
Repeat this process twice.
Lighter version
For a less rich paste, use 1 pound of flour and 6 ounces of butter, mixing with a little water and the beaten egg.
Roll and fold the dough three to four times.
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 + sugartop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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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).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
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 fat layers that separate the dough into flaky sheets as it bakes.
- Egg
- Binds the dough and adds richness in the lighter version.
The step that matters
Layering the butter and folding. The butter must stay in distinct layers between sheets of dough. If it softens and blends into the dough, the layers are lost and the pastry bakes dense instead of flaky. Keep the dough chilled between folds if it becomes soft.
“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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