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Dessert

Syringe Biscuits

Syringe biscuits are almond-based cookies shaped with a copper syringe mold and baked until crisp.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Almond and flour are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 8,673 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Syringe Biscuits

Ingredients

Directions

The book gives no oven temperature. The 400°F in the steps was added when the recipe was transcribed, as a starting point.

Make the paste

  1. Pound the almonds in a marble mortar until very fine, adding egg whites as needed to prevent them from getting oily.

  2. Once the mixture is smooth, add the finely grated lemon rind and powdered sugar, mixing until it forms a paste.

Shape the biscuits

  1. Fill a copper syringe mold halfway with the paste, then use a wooden rammer to squeeze it out onto a floured surface.

  2. Cut the paste into pieces about 3 inches long and shape them into rings.

  3. Place three sheets of paper under the rings before baking to prevent burning.

Bake

  1. Bake in a very brisk oven (400°F / 200°C) until done.

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. Almond + flourtop 5% of all pairs
    Smell alikemoderate
    Cooked together8,673 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Almond + lemontop 10% of all pairs
    Smell alikestrong
    Cooked together5,655 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Egg and flour barely smell alike, yet cooks put them together in 106,462 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

Sweet almonds
Provide the main body of the paste, giving the biscuits their structure and nutty flavor.
Egg whites
Bind the ground almonds into a workable paste and keep the mixture from turning oily.
Powdered sugar
Sweetens the paste and helps it firm into a dough that holds its shape.
Lemon rind
Adds aroma and a bright citrus flavor to the biscuits.

The step that matters

Pounding the almonds with egg whites. Almonds release oil when ground too long or too warm, which makes the paste greasy and hard to shape. Adding egg white as needed keeps the mixture smooth and binding.

Swap the lemon

How well each one fits the dish's main ingredients (almond, egg, sugar, flour):

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits better
  4. Lemonthe original

Fit is the average pairing score against almond, egg, sugar, flour. 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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