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 ↓
Plain Pastry
Ingredients
Directions
The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Wash the butter and squeeze out all the milk and water, then flatten it.
Add salt to the flour and cut in the lard with a knife.
Moisten the mixture with cold water.
Shape and rest
Toss the dough on a lightly floured board, then pat and roll it out.
Fold in the butter, roll out, and repeat folding and rolling several times.
Cover with cheesecloth and set aside in a cool place, avoiding direct contact with ice.
Bake
Roll thin and bake in a moderate oven at 350°F (175°C).
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 dough once moistened and worked.
- Butter
- Adds fat in layers that helps the dough become flaky when baked.
- Lard
- Cut into the flour to create fat pockets that keep the crust tender.
- Ice water
- Moistens the flour so the dough holds together while staying cold.
The step that matters
Keeping the dough cold while folding in the butter. If the butter softens or melts into the dough, it blends into the flour instead of forming separate layers, so the pastry loses flakiness. Keeping the dough cool keeps the fat solid until the oven creates steam that separates the layers.
“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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