Why it works: Butter and flour 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 ↓
To Make Puff Paste
Ingredients
Directions
Prepare
Mold the butter.
Place the molded butter in cold water.
Sift the flour.
Rub half the butter into the flour.
Mix with cold spring water to form a dough.
Laminate and rest
Roll out the dough.
Add pieces of the remaining butter to the dough.
Fold the dough.
Roll it out again.
Add the last of the butter.
Lightly sprinkle flour on the dough.
Fold the dough.
Refrigerate the dough.
Roll it out twice more when ready to use.
Add beaten egg white to the water for mixing (optional, in summer).
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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Butter + flourtop 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).
Butter and flour 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
- Butter
- Cold fat forms separate layers that steam apart in the oven, creating flakiness.
- Flour
- Forms the gluten network that gives the dough structure to hold its layers.
- Cold spring water
- Hydrates the flour so the gluten forms a dough that can be rolled and folded.
The step that matters
Keeping the butter cold while rolling and folding. If the butter softens or melts into the dough, it blends in instead of forming separate layers, so the pastry loses its flaky rise. Chilling between turns keeps the fat in distinct sheets.
“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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