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Sauce

Brown Sauce

A simple brown sauce made with butter, flour, onion juice, and beef stock.

From an old cookbook · modernised transcription
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Brown Sauce

Why it works: Onion and beef are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,092 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Brown Sauce

Ingredients

Directions

  1. In a saucepan, melt the butter over medium heat.

  2. Add the flour and onion juice, stirring until the mixture is brown.

  3. Gradually add the beef stock, stirring continuously.

  4. Season the gravy to taste.

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.

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.

  1. Onion + beeftop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Butter + beeftop 16% of all pairs
    Smell alikemoderate
    Cooked together10,847 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

  5. Flour + oniontop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 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
Adds fat and richness, and carries flavor into the roux.
Flour
Thickens the sauce as it cooks with the butter into a roux.
Beef stock
Forms the liquid base that the roux thickens into a smooth sauce.

The step that matters

Browning the flour and butter. Cooking the roux until brown develops nutty, toasted flavor, but it can scorch quickly over heat. Stirring constantly keeps it from burning and turning bitter.

Swap the onion

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

  1. Chivefits about as well
  2. Leekfits about as well
  3. Potatofits about as well
  4. Onionthe original

Fit is the average pairing score against butter, flour, beef. 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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