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 gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the dough
Preheat oven to 350°F (175°C).
Cream butter and sugar until light and fluffy.
Add milk and egg, mixing well.
Combine cream of tartar and baking soda in a separate bowl, then add to mixture.
Gradually add flour until dough is manageable for rolling.
Shape and bake
Roll dough on floured surface and cut into desired shapes.
Place on baking sheet and bake 10‑12 minutes 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 + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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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).
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
- Creams with sugar to trap air, giving the cookies a tender texture and rich flavor.
- Sugar
- Creams with butter for lightness and adds sweetness and browning during baking.
- Egg
- Binds the dough and adds structure and richness.
- Cream of tartar
- Acidic ingredient that reacts with baking soda to help the cookies rise and stay tender.
- Baking soda
- Reacts with the acid in cream of tartar to produce carbon dioxide for rising and light texture.
- Flour
- Provides the structure that holds the cookies together and lets them keep their cut shapes.
The step that matters
Gradually add flour until dough is manageable for rolling. Adding too much flour makes the dough dry and tough, while too little leaves it sticky and hard to cut. Adding it gradually lets you stop once the dough is workable.
“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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