Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Common Mutton Pie
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.
Prepare
Preheat the oven to 400°F (200°C).
Butter a pie dish and line it with half of the rolled-out pastry.
Fill and seal
Evenly layer the mutton in the dish and sprinkle with salt and pepper.
Pour cold water into the dish until it is an inch from the top.
Roll out the remaining pastry to cover the pie, wet the edges with cold water or egg white, and seal securely.
Trim the excess pastry close to the rim, cut a small slit in the center, and bake for 1 hour and 15 minutes.
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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mutton + peppertop 16% of all pairsSmell alikelowCooked together5,442 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + muttontop 16% of all pairsSmell alikemoderateCooked together3,781 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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
- All-purpose flour
- Forms the pastry structure that holds the pie together while it bakes.
- Suet or butter and lard
- Fat that makes the pastry tender and flaky by coating flour particles.
- Mutton
- The main filling, which becomes tender and flavorful during the long bake.
- Cold water
- Moistens the pastry dough and helps seal the edges, and adds moisture under the crust.
The step that matters
Sealing the pastry edges. Wetting the edges and pressing them firmly keeps the lid attached, so steam and juices stay inside the pie while it bakes rather than leaking out.
“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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