Why it works: Butter and flour 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 ↓
Leg of Mutton Dumpling
Ingredients
Directions
Prepare the mutton
Clean and trim the leg of mutton, removing the end of the knuckle bone and any projections.
Wash the leg well in cold water, then sprinkle with ground pepper and coarse sea salt.
Wrap and tie
Wrap the leg in pie crust, sealing all joins with a little water.
Butter and dredge a strong serviette or towel with flour, then place the wrapped leg inside and tie it securely.
Boil and set
Boil the dumpling for 3 to 4 hours, ensuring it remains suspended in the water.
After boiling, plunge the dumpling into a large bowl of cold water for 2 to 3 minutes to strengthen the pastry.
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 + flourtop 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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Mutton + buttertop 16% of all pairsSmell alikemoderateCooked together3,781 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Pepper + flourtop 19% of all pairsSmell alikemoderateCooked together50,459 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Pepper + buttertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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
- Mutton leg
- Provides the meat that cooks slowly inside the pastry, becoming tender during the long boil.
- Pie crust
- Encloses the meat, holding in juices and shaping the dumpling during boiling.
- Flour
- Dusted on the cloth so the wrapping does not stick to the pastry.
- Coarse sea salt
- Seasons the meat surface before wrapping, adding flavour to the cooked mutton.
The step that matters
Securing the wrapped leg in the cloth. If the cloth is not tightly tied or the dumpling is not kept suspended, it can sink, touch the pot base and scorch, or lose shape during the long boil.
“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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