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Chocolate Eclairs

Chocolate eclairs made with a butter and water dough, eggs, and baked.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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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 ↓

Chocolate 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 choux paste

  1. Boil the butter and water together.

  2. Stir in the flour while boiling.

  3. Let the mixture cool, then add the beaten eggs.

Shape and bake

  1. Place a large spoonful of the mixture in muffin rings.

  2. Bake for 20 minutes at 400°F (200°C).

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. Flour + buttertop 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).

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 starch structure that sets around the steam, giving the eclair its hollow body.
Eggs
Add moisture and protein that set the pastry and help it puff as it bakes.
Butter
Adds fat that softens the dough and gives a rich, tender bite.

The step that matters

Let the mixture cool before adding the eggs. If the paste is still very hot, the eggs can partly cook and scramble, so the batter will not blend smoothly. A cooled base mixes evenly with the eggs and holds the steam that makes the pastry rise.

“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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