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Dessert

Crescent Dessert Biscuits

Crescent-shaped biscuits made with flour, sugar, butter, egg yolks, lemon rind, and ammonia, dusted with icing sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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 ↓

Crescent Dessert Biscuits

Oven, in the book's wordsA cool oven

Ingredients

Directions

The book says “a cool oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the dough

  1. Preheat the oven to 300°F (150°C).

  2. In a bowl, rub together the sugar, butter, and flour until crumbly.

  3. Add the egg yolks, lemon rind, and ammonia; mix into a smooth dough.

Shape and finish

  1. Roll the dough to ½ inch thick and cut out with a 2-inch cutter.

  2. Use a 1-inch cutter to cut out one side, forming a crescent shape.

  3. Make a thin paste with icing sugar and egg whites; brush it on the biscuits.

  4. Optionally, color some icing pink before applying.

Bake

  1. Bake in a cool oven until lightly golden.

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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  5. Flour + lemontop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Flour
Provides the structure that holds the biscuit together as it bakes.
Butter
Adds fat that gives the biscuits a tender, crumbly texture.
Egg yolks
Add richness and fat, helping the dough become smooth and tender.
Sugar
Adds sweetness and helps the biscuits brown lightly in the oven.
Ammonia
Acts as a leavening agent, releasing gas that lightens the dough as it bakes.

The step that matters

Bake in a cool oven until lightly golden. Low heat dries and sets the biscuits gradually without over-browning. Baking too hot risks darkening the surface before the inside is fully set.

Swap the lemon

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

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

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