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Scotch Shortbread

A simple shortbread made with flour, butter, sugar, and baking powder.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Scotch Shortbread

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the dough

  1. Knead the sugar into the butter until well combined.

  2. Gradually knead in the flour until fully incorporated.

  3. Shape the dough into two flat cakes, each ¾ inch thick.

Bake

  1. Bake in a moderate oven at 350°F (175°C) until light brown, about 20 to 30 minutes.

  2. Use flat, papered tins for 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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

Flour and butter 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

Flour
Provides the structure that holds the shortbread together as it bakes.
Butter
Supplies fat that makes the shortbread rich and tender with a crumbly texture.
Sugar
Adds sweetness and helps the surface brown as it bakes.
Baking powder
Releases gas in the dough to give a slightly lighter, more open crumb.

The step that matters

Gradually knead in the flour until fully incorporated. Overworking the dough once the flour is in develops gluten, which makes shortbread tough and hard rather than short and crumbly. Stop as soon as the flour is evenly combined.

“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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