Why it works: Lettuce and peas 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 ↓
Fresh Peas
Ingredients
Directions
Cook the peas
Line a saucepan with freshly washed lettuce leaves.
Add the desired amount of peas and a little water.
Cook for 20 minutes until the peas are tender, then remove the lettuce.
Finish the sauce and serve
Reserve the juice and season with salt, pepper, butter, and cream.
Rub a little flour into the butter before adding it to the peas to thicken the sauce slightly.
Pour the sauce over the peas and serve.
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 + peastop 5% of all pairsSmell alikestrongCooked together1,293 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Lettuce + peppertop 9% of all pairsSmell alikemoderateCooked together4,037 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + flourtop 11% of all pairsSmell alikestrongCooked together1,236 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Peas
- The main ingredient, giving the soup its body and natural sweetness.
- Butter
- Adds fat for richness and a rounded, savoury flavour to the sauce.
- Cream
- Adds fat that makes the sauce richer and smoother on the palate.
- Flour
- Its starch swells in the butter and liquid, thickening the sauce slightly.
The step that matters
Rub a little flour into the butter before adding it to the peas. Cooking the flour briefly in fat coats the starch granules so they disperse evenly. Added directly to liquid, flour clumps, leaving lumps instead of a smooth, lightly thickened sauce.
Swap the peas
How well each one fits the dish's main ingredients (lettuce, pepper, butter, cream, flour):
- Almondfits better
- Chestnutfits better
- Cashew nutfits better
- Peasthe original
Fit is the average pairing score against lettuce, pepper, butter, cream, flour. 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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