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 ↓
Sugar Cookies
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the dough
Preheat your oven to 400°F (200°C).
In a large bowl, cream together the butter and sugar until light and fluffy.
Beat in the eggs one at a time, mixing well after each addition.
Gradually add the flour and baking soda, mixing until combined.
Shape and bake
Roll the dough very thin on a floured surface.
Sprinkle with sugar, cut into desired shapes, and place on a baking sheet.
Bake in the preheated oven until lightly golden.
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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Flour + eggtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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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
- Butter
- Creamed with sugar to trap air, giving the cookies a light, tender texture.
- Sugar
- Creamed with butter for lightness and adds sweetness and gentle browning.
- Eggs
- Bind the dough and add structure and richness as they set in the oven.
- Flour
- Provides the structure that holds the cookies together as they bake.
- Baking soda
- Reacts to lift the dough slightly and helps the cookies brown.
The step that matters
Rolling the dough very thin. Thickness controls how the cookies bake. Thin dough bakes through and browns evenly, while thick dough can stay doughy in the center or spread unevenly.
“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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