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Dessert

Lemon Cookies

Cookies made with butter, flour, eggs, lemon zest and juice, baked at 400°F.

From an old cookbook · modernised transcription
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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 Cookies

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.

Make the dough

  1. Cream the butter and sugar together.

  2. Beat in the yolks of the eggs, the grated rind of one lemon, and the juice of both lemons. Beat this mixture thoroughly.

  3. Sift the flour and baking powder together.

  4. Whisk the egg whites until stiff and fold them into the lemon mixture.

  5. Add more flour if the dough is too soft.

Shape and bake

  1. Turn the dough onto a floured surface and roll it out thinly.

  2. Cut into rounds with a pastry cutter.

  3. Place on a floured baking sheet and bake at 400°F (200°C) for about 10-12 minutes.

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. 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).

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 cookies a tender, rich texture.
Flour
Provides the structure that holds the cookies together as they bake.
Eggs
Yolks add richness and moisture, while whipped whites add lift and lightness.
Lemons
Juice and rind supply the bright acidity and aroma that define the flavour.
Sugar
Sweetens the dough and, creamed with butter, helps create a light texture.
Baking powder
Releases gas during baking so the cookies rise and turn out less dense.

The step that matters

Folding in the egg whites. Stiff whites hold air that gives lift. Overmixing or deflating them while folding makes the dough dense and flat, so fold gently until just combined.

Swap the lemon

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

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

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