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Dessert

Scotch Shortbread

A buttery shortbread with sugar, flour, and powdered sugar topping.

From an old cookbook · modernised transcription
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Why it works: Butter and flour 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. Cream the butter and sugar together.

  2. Gradually add the flour and knead until perfectly smooth.

Shape and bake

  1. Divide the dough into several round or square pieces and flatten them out thin.

  2. Pinch the edges and prick the surface with a fork.

  3. Bake in a moderate oven at 350°F (175°C) until golden brown.

  4. Sprinkle with powdered sugar before serving.

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. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Sugar + flourtop 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).

Butter and flour 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

Butter
Provides fat that makes the shortbread rich and tender with a crumbly texture.
Sugar
Adds sweetness and helps the dough brown lightly during baking.
Flour
Provides the structure that holds the shortbread together as it bakes.

The step that matters

Knead until perfectly smooth. Working the flour in until the dough is smooth makes it hold together when rolled and shaped. Overworking after the flour is fully incorporated can make the shortbread tough, so stop once the dough is uniform.

“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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