Why it works: Parsley and thyme match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,057 recipes. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓
Broad Beans with Brown Sauce
Ingredients
Directions
Prepare the beans
Boil the shelled beans in water for 6 to 7 minutes.
Drain the beans and remove the skins.
Simmer the beans
Bring stock to a boil in a separate pot and add the beans, onion, thyme, and bay leaf.
Season with salt and pepper, then simmer for 20 to 30 minutes.
Fry the mushrooms in butter for a few minutes without browning.
Add the fried mushrooms to the stewpan with the beans.
Make the brown sauce and serve
Add flour to the remaining butter in the skillet and cook until nut‑brown.
Gradually stir in the stock from the stewpan until smooth.
Season the sauce to taste, then add parsley, sherry, lemon juice, beans, and mushrooms.
Heat thoroughly 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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Parsley + thymetop 1% of all pairsSmell alikestrongCooked together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Thyme + peppertop 4% of all pairsSmell alikemoderateCooked together11,585 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Mushroom + thymetop 5% of all pairsSmell alikemoderateCooked together2,557 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
-
Onion + thymetop 7% of all pairsSmell alikemoderateCooked together11,171 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Broad beans
- Form the main body of the dish, becoming tender when simmered in stock.
- Butter
- Carries the mushroom frying and, once browned with flour, gives the sauce its rich flavour.
- Flour
- Thickens the sauce as it cooks with the butter and stock, giving it body.
- Mushrooms
- Add earthy flavour and a soft, meaty texture to the beans and sauce.
- Stock (in the method)
- Provides the liquid base that cooks the beans and becomes the sauce.
- Lemon juice
- Adds acidity that brightens the rich, buttery sauce.
The step that matters
Cooking the flour in butter until nut-brown. The flour and butter roux must cook long enough to lose its raw taste and develop nutty flavour and colour, but stopping too early leaves the sauce pale and floury, while overcooking scorches it and makes it bitter.
Swap the onion
How well each one fits the dish's main ingredients (beans, butter, flour, parsley, mushroom, thyme, pepper):
- Shallotfits better
- Carrotfits better
- Chivefits better
- Onionthe original
Fit is the average pairing score against beans, butter, flour, parsley, mushroom, thyme, pepper. 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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