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Dessert

Lemon Snaps

A shortbread-like cookie flavored with lemon, made with butter, sugar, eggs, baking soda, flour, and hot water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Butter and flour 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 quick oven

Ingredients

Directions

The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat your oven to 400°F (200°C).

Make the dough

  1. In a bowl, cream the butter and sugar together until light and fluffy.

  2. Add the eggs and lemon flavor, mixing well.

  3. Dissolve the baking soda in the hot water and add it to the mixture.

  4. Gradually add flour until the dough is soft and manageable.

Shape and bake

  1. Roll out the dough and cut into desired shapes.

  2. Place on a baking sheet and bake for 10-12 minutes or 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. Butter + flourtop 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. Egg + flourtop 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. Lemon + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together30,404 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour 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

Butter
Creamed with sugar to trap air and give the snaps a tender, rich texture.
Sugar
Creamed with butter for sweetness and structure, and helps the snaps brown.
Eggs
Bind the dough and add moisture and structure to hold the shapes.
Baking soda
Dissolved in hot water to react and lighten the dough as it bakes.
Flour
Builds the structure of the dough so it can be rolled and cut.

The step that matters

Dissolving the baking soda in the hot water. Baking soda needs to be fully dissolved so it spreads evenly through the dough; undissolved pockets can cause bitter spots and uneven rising or browning.

Swap the lemon

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

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

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