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Dessert

Lunch Cookies

Cookies made with butter, sugar, egg, baking soda, sour milk, nutmeg, and flour.

From an old cookbook · modernised transcription
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Lunch 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. Preheat the oven to 400°F (200°C).

  2. In a bowl, combine the sugar, butter, and egg without beating.

  3. Stir in the milk and grated nutmeg.

  4. Dissolve the baking soda in 2 tablespoons of hot water and add it to the mixture.

  5. Gradually add flour until a soft dough forms.

Shape and bake

  1. Roll out the dough very thin and cut into desired shapes.

  2. Bake in the preheated oven until lightly 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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 that tenderises the cookie and carries flavour.
Sugar
Sweetens the dough and helps the cookies brown as they bake.
Egg
Binds the dough and adds structure as it sets in the oven.
Baking soda
Reacts with the sour milk acid to produce gas that helps the cookies rise.
Sour milk
Its acidity activates the baking soda and adds moisture to the dough.

The step that matters

Dissolve the baking soda fully before adding it. Baking soda must be dissolved and mixed evenly into the dough; clumps leave bitter spots and uneven rising, and it reacts with the acid in the sour milk to lift the cookies.

Swap the nutmeg

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

  1. Cinnamonfits better
  2. Nutmegthe original
  3. Jalapenofits less well
  4. Capersfits less well

Fit is the average pairing score against butter, 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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