Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Beef Roll
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
In a bowl, mix the chopped beef, bacon, parsley, herbs, salt, and pepper.
Gradually moisten the mixture with beaten eggs until combined.
Shape and bake
Shape the mixture into a roll and brush the outside with egg.
Bake in a preheated oven at 300°F (150°C) for about 1 hour.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + parsleytop 16% of all pairsSmell alikemoderateCooked together5,866 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + eggtop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Beef + eggtop 31% of all pairsSmell alikemoderateCooked together8,305 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
- Roast beef
- Forms the bulk of the roll and provides the main meaty texture.
- Bacon
- Adds fat and savoury flavour that keeps the roll moist as it cooks.
- Eggs
- Bind the mixture together so it holds its shape when sliced.
The step that matters
Moistening with egg. Adding the beaten egg gradually lets it distribute evenly through the meat without making the mixture wet or loose. Too much liquid at once can prevent the roll from holding its shape and can cause it to become soggy as it bakes.
Swap the parsley
How well each one fits the dish's main ingredients (beef, pepper, egg):
- Parsleythe original
- Tarragonfits about as well
- Nutmegfits less well
- Dillfits less well
Fit is the average pairing score against beef, pepper, egg. 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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