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French Puff Paste

A dough made from butter and flour, folded and rolled to create layers for puff pastry.

From an old cookbook · modernised transcription
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Why it works: Butter and flour 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 ↓

French Puff Paste

Ingredients

Directions

Make the dough

  1. Combine ½ cup drippings or butter with 1 pound sifted flour in a bowl.

  2. Stir the yolk of 1 egg into a scant 1 cup ice water.

  3. Mix the egg-water mixture into the flour to form a dough.

Laminate

  1. Roll the dough very thin.

  2. Baste the dough with ½ cup or more butter.

  3. Fold the dough closely.

  4. Roll the dough again.

  5. Repeat folding and rolling until all fat is used, about 1½ cups total.

Chill

  1. Chill the dough for at least 1 hour in a very cold place before rolling out.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

Butter and flour 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 gluten network that gives the dough its structure and layers.
Butter
Forms separate fat layers that create flakiness as the dough is rolled and folded.
Ice water
Keeps the dough cold and hydrates the flour without melting the fat early.
Egg yolk
Adds richness and helps bind the dough together.

The step that matters

Keeping the fat cold during folding. If the butter softens and blends into the dough instead of staying in distinct sheets, the layers fail to separate and the pastry turns dense rather than flaky. Chilling between rounds keeps the fat solid.

“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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