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Dessert

French Biscuit

A sweet biscuit made with eggs, flour, sugar, and butter.

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 ↓

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 the batter

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

  2. Beat the egg whites to stiff peaks, then gradually mix in the sugar and flour.

  3. Add the beaten egg yolks and mix well.

Bake

  1. Grease yellow tea cups with butter and fill them halfway with the batter.

  2. Sift sugar over the top of the filled cups.

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

  4. Alternatively, drop the batter in rounds on buttered parchment paper, sift sugar over them, and bake.

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
Whipped whites trap air that lifts the batter, while yolks add richness and tenderness.
Flour
Provides the starch structure that holds the light, airy crumb together.
Sugar
Sweetens the biscuit and helps create a golden, browned crust in the oven.

The step that matters

Beating the egg whites to stiff peaks. Air whipped into the whites is what makes the biscuit rise and stay light. Under-whipped whites give a dense result, while over-beaten whites turn grainy and collapse, so fold the sugar and flour in gently.

“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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