Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. 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.
Make the dough
Cream the butter in a bowl.
Add the sugar and beat until light.
In a separate bowl, beat the eggs until very light and add to the butter and sugar mixture.
Stir in the sweet milk.
Combine the baking powder with the flour and mix it into the batter.
Add more flour until the dough is soft enough to roll out.
Shape and bake
Cut into shapes and bake in a 400°F (200°C) oven.
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 + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 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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Egg + flourtop 15% of all pairsSmell alikelowCooked together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Adds fat that gives the cookies richness and a tender texture.
- Sugar
- Sweetens the cookies and helps the butter hold air when creamed.
- Eggs
- Add moisture and structure, binding the dough together.
- Sweet milk
- Adds moisture that hydrates the flour and softens the dough.
- Baking powder
- Releases gas in the oven, helping the cookies rise and lighten.
- Flour
- Provides the structure that sets the cookies as they bake.
The step that matters
Adding the final flour. Flour is added until the dough is soft enough to roll out. Adding too much makes the dough stiff and the cookies dense and tough, because extra flour develops more gluten and absorbs moisture needed for tenderness.
“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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