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 ↓
Barm Crust
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the dough
Mix flour, butter or lard, barm, and salt in a bowl.
Add milk gradually until a paste forms.
Rise and shape
Let the mixture rise in a warm place.
Roll out the dough and use it as a crust.
Bake
Bake immediately 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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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).
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 gluten network that gives the crust its structure.
- Butter or lard
- Coats the flour particles so the crust turns out short and tender.
- Barm (yeast)
- Ferments and produces gas so the dough rises and becomes light.
- Milk
- Hydrates the flour so the mixture binds into a workable paste.
The step that matters
Add milk gradually until a paste forms. Flour absorbs liquid at its own pace. Adding milk slowly lets you stop at a pliable paste, because too much liquid makes the dough sticky and hard to roll, and it can toughen the crust.
“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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