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Dessert

Biscuit Ice Cream

A chilled dessert made from egg yolks, cream, lemon rind, syrup, and crumbled Savoy and ratafia biscuits.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Cream and syrup are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 1,964 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Biscuit Ice Cream

Ingredients

Directions

Make the base

  1. Separate the yolks from the whites of the eggs and place the yolks in a saucepan.

  2. Beat the yolks with a wooden spoon, then add the cream, lemon rind, and syrup.

  3. Stir the mixture over low heat until it begins to thicken.

Finish and freeze

  1. Crumble in the Savoy and ratafia biscuits and rub the mixture through a sieve.

  2. Freeze the mixture until solid.

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. Cream + syruptop 12% of all pairs
    Smell alikemoderate
    Cooked together1,964 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Lemon + biscuittop 12% of all pairs
    Smell alikestrong
    Cooked together697 recipes

    Shared aroma: nonanal (fat, citrus).

  3. Cream + biscuittop 15% of all pairs
    Smell alikemoderate
    Cooked together1,235 recipes

    Shared aroma: octanal (fat, soap).

  4. Syrup + biscuittop 18% of all pairs
    Smell alikemoderate
    Cooked together139 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

Egg and lemon barely smell alike, yet cooks put them together in 44,316 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

Egg yolks
Thicken the custard base and add richness and a smooth, creamy texture.
Cream
Adds fat for a rich, smooth texture that stays soft when frozen.
Syrup
Adds sweetness and softens the frozen texture so it is easier to scoop.
Savoy biscuits
Crumbled into the base to add body and a crisp, biscuity flavour.
Ratafia biscuits
Crumbled into the base to add almond-like aroma and flavour.

The step that matters

Stir the mixture over low heat until it begins to thicken. Egg yolks set at gentle temperatures; too much heat can scramble them into lumps, so low heat and constant stirring give a smooth, thickened base.

Swap the lemon

How well each one fits the dish's main ingredients (egg, cream, syrup, biscuit):

  1. Vanillafits better
  2. Raisinfits about as well
  3. Raspberryfits about as well
  4. Lemonthe original

Fit is the average pairing score against egg, cream, syrup, biscuit. Candidates are from the same food group and used in at least 100 recipes.

“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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