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Dessert

Scotch Cookies

A simple cookie made with lard, flour, molasses, baking soda, and optional flavoring, brushed with egg before baking.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Flour and egg are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 106,462 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Scotch Cookies

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Preheat the oven to 350°F (175°C).

Make and shape the dough

  1. In a bowl, mix the lard, baking soda, flour, and molasses until well combined.

  2. Add flavoring to taste.

  3. Shape the dough into cookies and place them on a baking sheet.

Bake

  1. Brush the tops with the beaten egg.

  2. Bake until golden brown.

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. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + molassestop 16% of all pairs
    Smell alikemoderate
    Cooked together10,429 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Molasses + eggtop 34% of all pairs
    Smell alikelow
    Cooked together6,879 recipes

Flour and egg barely smell alike, yet cooks put them together in 106,462 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
Adds fat that keeps the cookies tender and short in texture.
Baking soda
Raises the dough's alkalinity, helping it spread, rise, and brown in the oven.
Flour
Provides the structure that holds the cookie shape as it bakes.
Molasses
Adds sweetness, moisture, and deep color that helps the cookies brown.

The step that matters

Mixing the baking soda evenly into the dough. Baking soda must be spread evenly through the flour and fat. Clumps can cause bitter, soapy spots and uneven rising and browning.

“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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