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Dessert

Rosa's Cookies

A simple cookie dough made with egg, sugar, butter, lemon, nutmeg, and flour, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Lemon and nutmeg match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 11,318 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Rosa's 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.

Prepare the dough

  1. In a large bowl, mix the egg, sugar, cold water, butter, baking soda, lemon juice, and nutmeg.

  2. Gradually add flour until the dough is thin enough to roll out.

Shape and bake

  1. Roll out the dough and cut it into long or square pieces.

  2. Bake in a preheated oven at 400°F (200°C) until golden.

Store

  1. Store in cracker boxes to keep fresh.

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. Lemon + nutmegtop 5% of all pairs
    Smell alikestrong
    Cooked together11,318 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Nutmeg + flourtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 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
Adds fat for tenderness and a rich flavor in the dough.
Baking soda
Reacts with acid in the lemon juice to lighten the dough and aid browning.
Sugar
Adds sweetness and helps the cookies brown as they bake.
Egg
Binds the dough and adds structure and richness.
Flour
Provides the structure that holds the rolled dough together.

The step that matters

Gradually add flour until the dough is thin enough to roll out. Adding too much flour at once or too little overall changes the dough's texture. Flour is added gradually so the dough reaches a workable consistency without becoming stiff and dry, which would make it crack when rolled and cut.

Swap the lemon

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

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

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