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Dessert

French Biscuit

A small baked biscuit made with eggs, flour, sugar, and butter, served in tea cups.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

French Biscuit

Oven, in the book's wordsA quick oven

Ingredients

Directions

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

Prepare

  1. Weigh the eggs and use the same weight in flour and sugar.

  2. Beat the egg whites to a stiff froth.

Make the batter

  1. Gradually beat in the sugar and flour.

  2. Add the beaten yolks and mix well.

Bake and serve

  1. Grease yellow tea cups with butter and half fill them with the mixture.

  2. Sprinkle additional sugar over the tops.

  3. Bake in a 400°F (200°C) oven until golden.

  4. Alternatively, drop the mixture in rounds on buttered paper and sprinkle with sugar.

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 + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

Eggs
Whites trap air when whipped, giving the cake its light, risen structure.
Flour
Sets during baking to give the biscuit its firm, tender crumb.
Sugar
Sweetens the biscuit, stabilises the whipped whites, and browns the surface.

The step that matters

Beat the egg whites to a stiff froth. Whites must be whipped until they hold stiff peaks. Under-beaten whites leave the biscuit dense, while over-beaten whites turn grainy and collapse, losing the air that makes it 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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