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 ↓
Sour Milk Biscuit
Ingredients
Directions
The book says “a moderately quick oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Sift the flour, baking soda, cream of tartar, and salt through a fine sieve.
Make and bake
Add the butter and mix with sour milk until the dough is stiff enough to roll out.
Let the dough stand for 10 to 15 minutes before baking.
Bake in a moderate oven at 350°F (175°C).
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.
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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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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Cream + milktop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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
- Forms the structure of the biscuit as the dough sets in the oven.
- Baking soda
- Reacts with the acid in sour milk to produce gas that lifts the biscuit.
- Cream of tartar
- Acts as an acid that works with the baking soda to help the biscuit rise.
- Sour milk
- Supplies the liquid that binds the dough and provides the acid for leavening.
- Butter
- Adds fat that tenderizes the crumb and contributes flavor.
The step that matters
Mixing in the sour milk. Add just enough sour milk to make a stiff dough. Too much liquid makes the biscuits tough and dense, because extra mixing and wet dough develop gluten and weaken the lift from the leavening.
“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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