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 ↓
Light Paste for Tarts and Cheesecakes
Ingredients
Directions
Make the dough
Beat the egg white until frothy.
Mix with water to form a stiff paste with the flour.
Roll the paste very thin.
Laminate
Dot with small pieces of butter and sprinkle with flour.
Roll it up tightly.
Roll it out again and repeat with more butter.
Continue until all ingredients are used.
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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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Egg + buttertop 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
- Fine flour
- Forms the stiff paste and provides the structure of the dough.
- Butter
- Creates layers that separate the dough, giving a light, flaky texture when baked.
- Egg white
- Adds structure and lightness to the paste through its proteins.
The step that matters
Rolling the butter in evenly. Butter pieces must be spread and folded into the dough in even layers. If they melt into the paste or are unevenly distributed, the layers will not separate, and the pastry will be dense rather than light and flaky.
“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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