Why it works: Peas and lettuce match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,293 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Petits-pois
Ingredients
Directions
Prepare
Shell the young peas into a bowl of cold water.
Bring a large kettle of water to a boil.
Drain the peas and add them to the boiling water without a lid.
Cook and serve
Cook rapidly for about 20 minutes, testing for tenderness.
Once tender, remove from heat and drain the water.
Add the butter, pepper, salt, and sugar if needed.
Set aside in a warm place until the butter melts, then serve hot.
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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Peas + lettucetop 5% of all pairsSmell alikestrongCooked together1,293 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Pepper + lettucetop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Peas + peppertop 15% of all pairsSmell alikemoderateCooked together5,331 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Peas + buttertop 16% of all pairsSmell alikemoderateCooked together4,887 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Young peas
- Form the main body of the dish, providing the sweet, tender vegetable base.
- Sweet, fresh butter
- Adds richness and a smooth, moist mouthfeel as it melts over the hot peas.
The step that matters
Cook rapidly for about 20 minutes, testing for tenderness. Peas need a vigorous boil in uncovered water to cook evenly and soften without going dull or mushy. Testing for tenderness prevents overcooking, since peas continue to soften after they leave the heat.
Swap the lettuce
The recipe marks lettuce as optional. How well each one fits the dish's main ingredients (peas, butter, pepper, sugar):
- Capsicumfits better
- Asparagusfits better
- Potatofits about as well
- Lettucethe original
Fit is the average pairing score against peas, butter, pepper, sugar. 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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