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Sauce

Parsley and Butter Sauce

A simple sauce made with butter, flour, stock, milk, parsley, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Parsley and Butter Sauce

Ingredients

Directions

  1. Melt the butter in a saucepan.

  2. Stir in the flour smoothly.

  3. Add the stock and milk, and bring to a boil, stirring constantly.

  4. Boil well, then add the parsley and season with pepper and salt.

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

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

  2. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + parsleytop 12% of all pairs
    Smell alikemoderate
    Cooked together16,675 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 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

Butter
Melts with the flour to form a roux that gives the sauce body and a rich flavor.
Flour
Thickens the liquid into a smooth sauce as its starch swells when heated.
Stock
Forms the savory liquid base that the sauce is built on.
Milk
Adds creaminess and mild sweetness, softening the sauce's flavor.

The step that matters

Stir in the flour smoothly. Flour lumps form if it is not fully blended into the melted butter before liquid is added. Lumps are hard to remove later, so stir until the roux is smooth. Adding liquid gradually while stirring also helps the starch disperse evenly.

Swap the parsley

How well each one fits the dish's main ingredients (butter, flour, milk, pepper):

  1. Cinnamonfits better
  2. Nutmegfits about as well
  3. Cardamomfits about as well
  4. Parsleythe original

Fit is the average pairing score against butter, flour, milk, 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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