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 ↓
Jumbles
Ingredients
Directions
The book says “a moderately quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure. The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare the dough
Preheat oven to 400°F (200°C).
In a large bowl, cream sugar and butter until light and fluffy.
Add eggs one at a time, mixing well after each addition.
Stir in sour milk and baking soda.
Gradually add flour until dough is soft and can be rolled out thin.
Shape and bake
Roll out dough and cut into desired shapes.
Place on a baking sheet and bake for 10-12 minutes or 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 + 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
- Creams with the sugar to trap air, giving the cookies a light, tender texture and rich flavour.
- Eggs
- Bind the dough and add structure and richness as they are beaten in.
- Baking soda
- Reacts with the acidic sour milk to produce gas that helps the cookies rise and spread.
- Sour milk
- Its acidity activates the baking soda and adds moisture and a slight tang.
- White sugar
- Sweetens the dough and, creamed with butter, helps create a light, crisp-tender crumb.
- Flour
- Provides the structure that lets the dough be rolled thin and hold cut shapes.
The step that matters
Gradually add flour until dough is soft and can be rolled out thin. Adding flour gradually lets you stop at the right consistency. Too much flour makes the dough stiff and tough, while too little leaves it sticky and hard to shape.
“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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