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Dessert

Lemon Snaps

A sweet, lemon-flavored cookie made with lard, sweet milk, sugar, baking ammonia, oil of lemon, egg whites, salt, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Milk and flour are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 78,219 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Lemon Snaps

Oven, in the book's wordsA hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Roll the baking ammonia fine and let it stand overnight in the sweet milk.

  2. In a large bowl, combine the lard, sugar, oil of lemon, beaten egg whites, and salt.

Make and shape the dough

  1. Add the milk mixture and enough flour to make a stiff dough.

  2. Roll the dough thin and cut into shapes.

Bake

  1. Bake in a hot oven at 400°F (200°C) until 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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

    Shared aroma: 2-nonenal (fatty, green).

  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).

Milk and flour barely smell alike, yet cooks put them together in 78,219 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

Lard
Provides fat that makes the cookies tender and short.
Flour
Forms the structure that holds the stiff dough together as it bakes.
Eggs
Whites add structure and lift, helping the cookies hold their shape.
Baking ammonia
Releases gas as it breaks down, lightening the cookies and helping them rise.
Sugar
Sweetens the cookies and promotes browning in the oven.

The step that matters

Soaking the baking ammonia overnight in the sweet milk. Baking ammonia must be finely rolled and fully dissolved or softened so it releases gas evenly. Unevenly distributed leavener can leave pockets, bitter spots, or uneven rising in the cookies.

Swap the lemon

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

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

Fit is the average pairing score against milk, 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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