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 ↓
Paste Puff for Tarts, Etc
Ingredients
Directions
Make the dough
Mix the flour with the baking powder, reserving 3 tablespoons for later.
Rub ⅙ pound of butter into the flour until combined.
Add just enough water to form a smooth paste.
Roll out the paste to 1 inch thick.
Divide the paste in half.
Laminate
Roll out one half until very thin, less than ¼ inch thick.
Break the second portion of butter into small bits.
Place the butter bits over the paste, leaving a 1-inch margin.
Dredge the paste with flour.
Fold the paste in thirds.
Roll out the paste to 1 inch thick.
Repeat the process with the other half using the last portion of butter.
Stack the two pieces.
Roll out the stack to ½ inch thick.
Fold the paste.
Rest and store
Place the paste between two dishes.
Refrigerate until the next day.
Keep the grain consistent when rolling out for tarts.
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 paste that holds the layers together.
- Butter
- Forms separate fat layers that give the pastry its flaky texture when baked.
- Baking powder
- Releases gas in the dough to help it rise and lighten.
The step that matters
Keeping the butter in distinct layers. Butter must stay cold and in separate sheets between dough layers. If it softens and smears into the dough during rolling and folding, the layers merge and the pastry loses its flaky lift.
“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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