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 ↓
Pattie Shells
Ingredients
Directions
Scald a bowl with boiling water, then fill it with ice water.
Add ½ pound of butter to the ice water and work it until it has a waxy texture.
Divide the butter into four parts and keep in the ice water.
On a board, place ½ pound of sifted pastry flour and make a well in the center.
Add ¼ teaspoon of coarse sea salt, 1 egg white, and one piece of butter to the well.
Work the mixture into a paste with some of the flour.
Gradually add ice water until a soft dough forms, reserving about 3 tablespoons of flour for dusting.
Knead the dough for 10 minutes, then divide it into two parts.
Roll each part thin, place a piece of butter on one, and dust with a little flour.
Cover with the other piece of dough and roll into a long sheet.
Fold the dough in thirds, turn it halfway, and roll out again.
Repeat the folding and rolling process with the remaining butter, chilling the dough between each step.
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
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