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Dessert

Scotch Shortbread

A buttery, sweet shortbread made with flour, butter, and sugar, baked until pale amber.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 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 hot oven

Ingredients

Directions

The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. On a clean surface, combine flour, butter, and sugar.

  2. Break the butter into small pieces and rub it into the flour and sugar until it forms a lump.

  3. Roll the lump into a sheet about ¾ inch thick.

  4. Cut the sheet into four pieces and prick all over with a fork.

Bake

  1. Bake in a preheated oven at 400°F (200°C) for 5 minutes.

  2. Reduce temperature and bake for an additional 25 minutes until pale amber.

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

All-purpose flour
Provides the structure that holds the shortbread together as it bakes.
Unsalted butter
Supplies fat that gives the shortbread its tender, crumbly texture.
Granulated sugar
Adds sweetness and helps the surface brown to a pale amber.

The step that matters

Reduce the oven temperature after the first 5 minutes. Starting hot sets the edges quickly, then a lower heat lets the centre cook through and colour evenly without over-browning the sugar and butter.

“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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