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Dessert

Scotch Shortbread

A buttery shortbread made with flour, butter, sugar, and white comfits.

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 slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 300°F (150°C).

  2. In a bowl, rub together the flour, butter, and sugar until a stiff paste forms.

Shape and bake

  1. Shape the mixture into square cakes, about ½ inch thick.

  2. Pinch the edges of each cake.

  3. Sprinkle white comfits over the surface of the cakes.

  4. Place the cakes on baking sheets so they touch at the edges.

  5. 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. 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 dough together as it bakes.
Unsalted butter
Adds fat that gives the shortbread its tender, crumbly texture.
Granulated sugar
Adds sweetness and helps the cakes brown lightly in the oven.

The step that matters

Bake until lightly golden. Shortbread is baked low and slow, and pulling it once it is only lightly golden keeps it tender and buttery. Over-baking dries the cakes and makes them hard, while under-baking leaves the centre pasty.

“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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