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 Paste for Pies
Ingredients
Directions
Make the dough
Sprinkle salt into the flour and mix in the butter or lard until smooth.
Quickly mix in the cold water.
Shape the pie
Roll out the dough and fit it into a pie plate, using flour to prevent sticking.
Trim the edges of the crust evenly.
Gather scraps to make a top crust, rolling it thinner than the bottom crust.
Overlap the top crust and cut 4-5 small slits in the center for steam to escape.
Fill the pie with your desired filling.
Wet the edge of the bottom crust to seal in the juices.
Lay the top crust over the filling, press the edges down with your thumb, using flour to prevent sticking.
Bake
Bake until golden brown.
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
- All-purpose flour
- Forms the gluten network that gives the dough its structure.
- Butter or lard
- Fat coats the flour, creating flaky layers and tenderness as it melts in the oven.
- Cold water
- Binds the flour and fat into a dough; keeping it cold keeps the fat solid.
The step that matters
Keep the dough and fat cold. Cold fat stays in distinct pieces that melt during baking and leave flaky layers. If the fat warms and blends in, the crust turns tough and dense instead of 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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