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Dessert

Good Scottish Shortbread

A buttery Scottish shortbread with candied orange rind.

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 ↓

Good Scottish 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. In a large bowl, mix the flour, sugar, and candied orange rind or citron.

  2. Add the melted butter and combine to form a paste.

  3. Press the paste together with your hands and mold it into large cakes about 1 inch thick on baking tins.

Bake

  1. Pinch the edges of the cakes and bake in a preheated oven at 350°F (175°C) for 20 minutes or longer until crisp but not deeply colored.

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. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Sugar + orangetop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. Flour + orangetop 21% of all pairs
    Smell alikemoderate
    Cooked together6,821 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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 makes the shortbread rich and tender, and binds the paste.
Sugar
Adds sweetness and helps the shortbread brown lightly at the edges.
Candied orange rind or citron
Adds aromatic citrus flavor and small pockets of chew throughout the cakes.

The step that matters

Baking until crisp but not deeply colored. Shortbread firms as it cools, so it is easy to over-bake. Sugar darkens quickly at high heat, so pulling the cakes once they are crisp and lightly colored keeps them pale and avoids a bitter, burnt taste.

Swap the orange

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

  1. Raisinfits better
  2. Vanillafits better
  3. Figfits better
  4. Orangethe original

Fit is the average pairing score against flour, sugar, butter. 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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