Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Green Peas
Ingredients
Directions
Prepare
Pick and wash the peas in cold water, then drain them in a colander.
Cook
Combine the peas and cold water in a stew pan, then bring to a boil for 30 minutes.
Add parsley, sugar, and salt to the pot. Mix butter and flour together, then stir the mixture into the peas.
Simmer the mixture slowly for another 30 minutes until almost dry.
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.
Photo for illustrative purposes only · Contact us to use it
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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Parsley + flourtop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Peas + parsleytop 13% of all pairsSmell alikemoderateCooked together1,885 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Sugar + flourtop 15% of all pairsSmell alikemoderateCooked together92,116 recipes
Shared aroma: phenylacetaldehyde (hawthorne, honey).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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
- Young green peas
- Form the main body of the dish and provide its tender texture and sweet, vegetal flavor.
- Butter
- Adds richness and fat, giving the peas a smoother mouthfeel and a rounder taste.
- Flour
- Thickens the cooking liquid as it is stirred in, so the peas come out less watery.
- Sugar
- Adds sweetness that balances the natural grassy flavor of the peas.
The step that matters
Simmering until almost dry. Reducing the liquid slowly concentrates flavor and lets the flour-butter mixture thicken the peas. Stopping too early leaves them soupy, while overcooking dries them out and can scorch the bottom of the pan.
Swap the peas
How well each one fits the dish's main ingredients (parsley, sugar, butter, flour):
- Almondfits better
- Chestnutfits better
- Chickpeafits better
- Peasthe original
Fit is the average pairing score against parsley, sugar, butter, 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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