Why it works: Bread and butter 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
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Preheat your oven to 350°F (175°C).
In a bowl, mix the bread crumbs with salt, pepper, melted butter, cayenne, and chopped onion.
Spread the mixture on one side of the beefsteak.
Roll the steak up tightly and secure it with a skewer.
Roast and serve
Roast the rolled steak for one hour.
Remove from the pan and place on a hot dish.
Thicken the gravy with 1 tablespoon of flour, strain it, and pour over the steak.
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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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
-
Bread + oniontop 15% of all pairsSmell alikemoderateCooked together8,676 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Bread + peppertop 16% of all pairsSmell alikemoderateCooked together20,964 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Beefsteak
- Forms the main body of the dish and, when roasted, provides the meaty flavour and texture.
- Bread crumbs
- Absorb the melted butter and onion, adding bulk and moisture to the stuffing inside the roll.
- Melted butter
- Adds richness and fat that carries flavour and helps the stuffing brown.
The step that matters
Rolling the steak tightly. A tight roll keeps the stuffing enclosed and the layers together during roasting. A loose roll lets the filling escape and cook unevenly, and the slices will fall apart.
Swap the onion
How well each one fits the dish's main ingredients (bread, butter, pepper):
- Capsicumfits better
- Tomatofits better
- Potatofits about as well
- Onionthe original
Fit is the average pairing score against bread, butter, pepper. 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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