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Biscuit Glace

A frozen custard flavored with vanilla and macaroons.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Biscuit Glace

Ingredients

Directions

Make the custard

  1. In a bowl, mix the cream, sugar, egg yolks, and 1 tablespoon of vanilla extract.

  2. Heat the mixture over low heat, stirring until it begins to thicken.

  3. Strain the mixture through a fine sieve into a basin.

Freeze

  1. Chill the mixture in a freezer.

  2. When nearly frozen, mix in the macaroon dust and finish freezing.

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. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  2. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  3. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

  4. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Egg + vanillatop 23% of all pairs
    Smell alikelow
    Cooked together27,347 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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

Heavy cream
Adds richness and fat, giving the ice cream a smooth, creamy body.
Sugar
Adds sweetness and lowers the freezing point, keeping the ice cream soft and scoopable.
Egg yolks
Thicken the custard as they heat and add richness and emulsifying power.
Macaroons
Add flavour and a crisp, crumbly texture once mixed into the frozen base.
Vanilla extract
Adds aroma and rounds out the flavour of the custard.

The step that matters

Heating the custard over low heat. Egg yolk proteins set gradually as they warm. Heating too fast or too hot can scramble the yolks into lumps, so low heat and constant stirring keep the custard smooth.

“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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