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Dessert

Cream Puffs and Eclairs

A light pastry made from a butter‑water‑flour dough folded with eggs, baked into puffs and éclairs.

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 ↓

Cream Puffs and Eclairs

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. In a saucepan, combine the butter and boiling water.

  2. Once the butter is melted and the water is boiling, stir in the flour and salt all at once.

  3. Stir quickly until the mixture is firm, about 1-2 minutes, then remove from heat.

  4. Let the mixture cool, then beat in the eggs one at a time until light and smooth.

Shape and bake

  1. Drop tablespoonfuls of the mixture onto buttered baking sheets, spaced apart.

  2. Bake in a preheated oven at 400°F (200°C) for 30 minutes.

Fill and serve

  1. Once cool, split the puffs and fill with whipped cream or pastry cream.

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

Eggs
Add structure and richness, and help the dough puff and set as it bakes.
Butter
Adds fat and richness, and melts into the boiling water to start the dough.
All-purpose flour
Gives the paste its structure, which holds the steam-raised shape as it bakes.

The step that matters

Beat in the eggs gradually after the dough cools. If the dough is still hot, the eggs can scramble, and if it is too runny the puffs will not rise and hold their shape. Adding them one at a time lets you reach a smooth, thick batter that can puff in the oven.

“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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