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 Pastry
Ingredients
Directions
Sift the flour to remove lumps.
Wrap the butter in a clean cloth and squeeze out moisture.
In a bowl or on a marble slab, make a well in the flour and add salt, lemon juice, and egg yolk.
Gradually add cold water and mix with your fingers to form a soft, elastic dough.
Knead the dough until smooth, then roll it out to about ¼ inch thick.
Press the butter to half the size of the rolled pastry and place it on the dough, ¼ inch from the edge.
Fold the pastry over the butter and lightly press the edges together.
Roll out the pastry again, ensuring the butter does not surface.
Fold the dough into thirds and let it rest in a cool place for 15 minutes.
With the open edges facing you, roll out again and fold into thirds as before, resting for another 15 minutes.
Repeat this process until the pastry has been rolled out seven times after adding the 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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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Flour + lemontop 17% of all pairsSmell alikemoderateCooked together30,404 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
Swap the lemon
How well each one fits the dish's main ingredients (flour, butter, egg):
- Raisinfits better
- Vanillafits better
- Lemonthe original
- Coconutfits about as well
Fit is the average pairing score against flour, butter, egg. Candidates are from the same food group and used in at least 100 recipes.
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