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 ↓
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
Preheat the oven to 400°F (200°C).
Make the dough
In a large bowl, cream together the butter and sugar.
Add the milk and mix well.
In another bowl, combine the flour, cream of tartar, baking soda, and nutmeg.
Gradually add the dry ingredients to the wet mixture, stirring until combined.
Bake
Drop spoonfuls of dough onto a baking sheet.
Bake until golden brown.
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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Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
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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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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
- Flour
- Provides the main structure that holds the cookies together as they bake.
- Butter
- Adds fat for tenderness and flavor, and helps the cookies brown.
- Sugar
- Adds sweetness and helps the cookies brown and stay soft.
- Baking soda
- Reacts with the acidic cream of tartar to produce gas that makes the cookies rise.
- Cream of tartar
- Provides acidity that reacts with baking soda to leaven the dough.
- Milk
- Adds moisture that hydrates the flour and gives the dough its softness.
The step that matters
Bake until golden brown. Baking only until golden brown keeps the cookies soft in the center. Overbaking dries them out and makes them hard once cooled.
Swap the nutmeg
How well each one fits the dish's main ingredients (flour, sugar, butter, milk, cream):
- Cinnamonfits about as well
- Nutmegthe original
- Jalapenofits less well
- Capersfits less well
Fit is the average pairing score against flour, sugar, butter, milk, cream. Candidates are from the same food group and used in at least 100 recipes.
“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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