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Sauce

Beown Sauce

A roux-based sauce made with butter, flour, onion, carrot, pepper, and brown stock.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Carrot and pepper match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 14,555 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Beown Sauce

Ingredients

Directions

Brown the butter

  1. Melt the butter in a saucepan over medium heat.

  2. Add the onion and carrot.

  3. Cook until the butter is well browned.

  4. Remove the vegetables from the pan.

Make the roux

  1. Stir in the flour and seasonings.

  2. Continue to brown the mixture.

Add the stock

  1. Gradually pour in the brown stock while stirring constantly.

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. Carrot + peppertop 6% of all pairs
    Smell alikestrong
    Cooked together14,555 recipes

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

  2. Onion + carrottop 6% of all pairs
    Smell alikemoderate
    Cooked together21,601 recipes

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

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

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

    Shared aroma: isobutyraldehyde (malty, green).

  5. Flour + carrottop 13% of all pairs
    Smell alikemoderate
    Cooked together8,029 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
Carries flavor and, when browned, adds a nutty aroma and color.
Flour
Its starch thickens the sauce once it is cooked in the fat and liquid.
Brown stock
Supplies the liquid that hydrates the flour and forms the body of the sauce.
Onion
Adds aromatic sweetness and savory depth as it cooks in the butter.
Carrot
Adds subtle sweetness and aroma as it cooks in the butter.

The step that matters

Gradually pour in the brown stock while stirring constantly. Starch granules in the flour swell when they meet liquid. Adding the stock slowly and stirring keeps the granules separated and hydrating evenly, which prevents lumps and gives a smooth sauce.

Swap the onion

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

  1. Parsnipfits better
  2. Turnipfits better
  3. Leekfits better
  4. Onionthe original

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