Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Mock Duck
Ingredients
Directions
Make the stuffing
Fry the chopped onion in the butter or drippings until soft.
Add the bread crumbs, mixed seasonings, salt, and pepper; mix well.
Spread the mixture over the steak, roll it up, and tie it securely.
Brown and braise
Brown the roll in the fat in a pan.
Transfer the roll to a casserole or covered dish.
In the same pan, add an equal quantity of flour to the fat and brown it.
Add the stock or boiling water and strained tomato; season with salt and pepper.
Pour the sauce over the roll, cover the dish, and cook slowly until the meat is tender, about 2 hours.
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 + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Bread + tomatotop 10% of all pairsSmell alikemoderateCooked together1,013 recipes
Shared aroma: 2-nonenal (fatty, green).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Flank or round steak
- Forms the outer wrap, and becomes tender through slow, covered cooking.
- Butter or drippings
- Carries the onion and adds rich fat flavour to the stuffing.
- Stale bread crumbs
- Soak up moisture and butter to give the stuffing a soft, cohesive texture.
- Flour (in the method)
- Browned in the pan fat to thicken the sauce.
- Strained tomato
- Adds acidity and body to the sauce.
The step that matters
Cook slowly until the meat is tender. Flank and round steak are lean, tough cuts. Long, gentle cooking in covered liquid breaks down connective tissue into gelatin, so the meat becomes tender rather than dry and stringy. Rushing with high heat toughens it.
Swap the onion
How well each one fits the dish's main ingredients (butter, bread, pepper, tomato):
- Capsicumfits better
- Potatofits better
- Carrotfits about as well
- Onionthe original
Fit is the average pairing score against butter, bread, pepper, tomato. 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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