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Chicken Bruxelloise

A braised chicken dish with leek, onion, flour, milk, and bouquet garni.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Leek and onion match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 1,326 recipes. Both carry ethyl butyrate, which smells apple, fruity. The science ↓

Chicken Bruxelloise

Ingredients

Directions

Prepare

  1. In a bowl, combine the chicken pieces, leek, onion, flour, milk, and bouquet garni. Season with coarse sea salt to taste and mix well.

  2. Place the mixture in a buttered paper bag.

Bake

  1. Cook in a preheated oven at 300°F (150°C) for 45 minutes.

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. Leek + oniontop 4% of all pairs
    Smell alikestrong
    Cooked together1,326 recipes

    Shared aroma: ethyl butyrate (apple, fruity).

  2. Leek + flourtop 8% of all pairs
    Smell alikestrong
    Cooked together328 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Chicken + oniontop 8% of all pairs
    Smell alikemoderate
    Cooked together17,814 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  4. Chicken + leektop 11% of all pairs
    Smell alikemoderate
    Cooked together165 recipes

    Shared aroma: ethyl butyrate (apple, fruity).

  5. Chicken + milktop 13% of all pairs
    Smell alikemoderate
    Cooked together4,389 recipes

    Shared aroma: 1-hexanal (fruit).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Chicken
Provides the main protein, which firms and cooks through during the slow bake.
Flour
Thickens the milk and juices into a light, cohesive sauce around the chicken.
Milk
Supplies liquid that steams the chicken and softens the vegetables while it cooks.
Leek
Adds a mild, sweet onion flavour and soft texture as it cooks.
Onion
Adds savoury depth and sweetness as it softens in the bag.

The step that matters

Sealing the paper bag. The buttered paper bag traps steam so the chicken cooks in its own moisture. If the bag tears or is left open, the juices escape and the chicken can dry out before the vegetables and sauce are tender.

Swap the onion

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

  1. Chivefits better
  2. Shallotfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against chicken, leek, flour, milk. 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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