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Dessert

Lemon Crackers

A sweet, lemon-flavored cracker made with sugar, lard, egg, Baker's ammonia, milk, lemon oil, and flour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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

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.

Prepare

  1. Soak Baker's ammonia in new milk overnight.

Make the dough

  1. In a bowl, mix white sugar, lard, egg, and lemon oil.

  2. Gradually add flour until the mixture is very stiff.

Roll and bake

  1. Roll the dough out thinly.

  2. Bake in a preheated 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
Fat that keeps the crackers short and tender by coating flour particles.
White sugar
Adds sweetness and helps the crackers brown in the oven.
Egg
Binds the dough and adds structure as it sets in the oven.
Baker's ammonia
Leavening agent that releases gas, lightening the crackers and giving a crisp texture.
Flour
Forms the structure of the dough, which sets into the crisp cracker when baked.
New milk
Adds moisture and dissolves the ammonia so it can work through the dough.

The step that matters

Gradually add flour until very stiff. Adding flour slowly lets you judge the dough's texture. Too much flour makes crackers dry and hard, while too little leaves them greasy and fragile after baking.

Swap the lemon

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

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

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