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Broad Beans with Brown Sauce

A stew of broad beans simmered with onions, thyme, bay leaf, mushrooms, and a brown butter‑flour sauce, finished with lemon juice and sherry.

From an old cookbook · modernised transcription
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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

  1. Boil the shelled beans in water for 6 to 7 minutes.

  2. Drain the beans and remove the skins.

Simmer the beans

  1. Bring stock to a boil in a separate pot and add the beans, onion, thyme, and bay leaf.

  2. Season with salt and pepper, then simmer for 20 to 30 minutes.

  3. Fry the mushrooms in butter for a few minutes without browning.

  4. Add the fried mushrooms to the stewpan with the beans.

Make the brown sauce and serve

  1. Add flour to the remaining butter in the skillet and cook until nut‑brown.

  2. Gradually stir in the stock from the stewpan until smooth.

  3. Season the sauce to taste, then add parsley, sherry, lemon juice, beans, and mushrooms.

  4. Heat thoroughly and serve.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Parsley + thymetop 1% of all pairs
    Smell alikestrong
    Cooked together9,057 recipes

    Shared aroma: cuminaldehyde (Spicy, cumin).

  2. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Thyme + peppertop 4% of all pairs
    Smell alikemoderate
    Cooked together11,585 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Mushroom + thymetop 5% of all pairs
    Smell alikemoderate
    Cooked together2,557 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  5. Onion + thymetop 7% of all pairs
    Smell alikemoderate
    Cooked 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):

  1. Shallotfits better
  2. Carrotfits better
  3. Chivefits better
  4. 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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