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 ↓
Crust, Butter
Ingredients
Directions
Make the dough
In a bowl, mix the flour with ½ pint of water to form a smooth paste.
Roll the dough out thinly.
Add the butter
Place small pieces of butter over the dough and lightly sprinkle with flour.
Fold the dough over the butter and roll it out again.
The crust is now ready for use.
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).
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
- Flour
- Forms the structure of the crust as its starch and proteins set the dough.
- Butter
- Adds fat that separates the dough into layers, giving a tender, flaky texture.
The step that matters
Folding the dough over the butter and rolling it out again. The butter must stay in distinct pieces so it forms layers. If it softens or is worked fully into the dough, the layers are lost and the crust becomes denser and less 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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