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Dessert

Lemon Crackers

Lemon crackers are a sweet biscuit made with lard, milk, sugar, lemon oil or rind, 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 Crackers

Ingredients

Directions

Prepare the leavening

  1. Roll the baker's ammonia finely.

  2. Mix the rolled ammonia with the sweet milk.

  3. Let the mixture sit overnight.

Make and shape the dough

  1. In a large bowl, combine the melted lard, sugar, oil of lemon or grated lemon rind, beaten egg whites, and salt.

  2. Gradually add flour until the dough is easy to handle but not too hard.

  3. Roll out the dough and cut into desired shapes before baking.

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

Baker's ammonia
Acts as a leavening agent that releases gas to make the crackers rise and turn crisp.
Lard
Provides fat that tenderizes the dough and keeps the crackers short and crisp.
Egg whites
Beaten to a stiff froth, they add lightness and help the dough hold air.
Flour
Forms the gluten structure that gives the dough its body and shape.
Sugar
Adds sweetness and helps the crackers brown lightly in the oven.

The step that matters

Letting the leavening mixture sit overnight. Soaking the ammonia in milk allows it to dissolve and become evenly distributed, so it leavens the dough uniformly rather than leaving pockets or uneven rising.

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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