Why it works: Lettuce and parsley match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,483 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Roast Beef Cold
Ingredients
Directions
Slice the roast beef thinly.
Arrange the slices on a platter.
Set small moulds of Aspic jelly or tomato jelly on lettuce leaves around the beef.
Garnish with parsley.
Slice the tomatoes and fry them in a little butter.
Serve the fried tomatoes alongside the roast beef.
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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Lettuce + parsleytop 5% of all pairsSmell alikestrongCooked together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Tomato + lettucetop 6% of all pairsSmell alikemoderateCooked together1,655 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + tomatotop 8% of all pairsSmell alikemoderateCooked together5,448 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + parsleytop 8% of all pairsSmell alikemoderateCooked together5,398 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the lettuce
How well each one fits the dish's main ingredients (beef, tomato, parsley, butter):
- Potatofits better
- Carrotfits better
- Capsicumfits better
- Lettucethe original
Fit is the average pairing score against beef, tomato, parsley, butter. Candidates are from the same food group and used in at least 100 recipes.
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