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 ↓
Shortbread
Ingredients
Directions
The book says “a hot oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Remove all water from the butter, as it makes the shortbread hard.
Mix the sugar and butter together until well combined.
Make the dough
Gradually knead in the flour until a dough forms.
Roll out the dough to about 1 inch thick.
Prick the surface with a fork and cut into large squares.
Bake
Bake in a slow oven at 300°F (150°C) until lightly golden, but do not remove from the tin until cold.
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.
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked 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
- Unsalted butter
- Provides fat that makes the shortbread rich and tender.
- Sugar
- Adds sweetness and helps give a fine, crisp texture.
- All-purpose flour
- Provides the structure that holds the dough together.
The step that matters
Gradually knead in the flour. Overworking the dough once the flour is added develops gluten, which makes the shortbread tough instead of short and crumbly. Mixing only until a dough forms keeps it tender.
“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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