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Dessert

Lemon Snaps

A short, crisp cookie made with sugar, flour, butter, eggs, ammonia, and lemon flavoring.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 ↓

Lemon Snaps

Oven, in the book's wordsA very moderate oven

Ingredients

Directions

The book says “a very moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. Cream together the sugar and butter.

  2. Add the eggs one at a time, mixing well after each addition.

  3. Dissolve the ammonia in a little water and add it to the mixture.

  4. Stir in the lemon flavoring.

  5. Gradually mix in the flour until fully combined but light.

Shape and bake

  1. Roll out the dough thinly and cut with a small round cutter.

  2. Place the cookies on baking sheets, 2 inches apart.

  3. Bake in a moderate oven at 350°F (175°C) 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. Sugar + flourtop 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

All-purpose flour
Provides the structure that holds the cookies together as they bake.
Butter
Adds fat for tenderness and rich flavor in the dough.
Eggs
Bind the dough and add richness and structure.
Granulated sugar
Sweetens the dough and helps the cookies brown lightly.
Ammonia
Acts as a leavening agent, helping the cookies rise and turn crisp.

The step that matters

Gradually mix in the flour until fully combined but light. Overmixing once flour is added develops gluten, which makes the cookies tough instead of crisp and tender.

Swap the lemon

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

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

Fit is the average pairing score against sugar, flour, 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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