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Breast of Lamb, with Peas

Roasted lamb breast served with peas and onion.

From an old cookbook · modernised transcription
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Why it works: Lamb and chicken match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 626 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓

Breast of Lamb, with Peas

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare

  1. Preheat the oven to 350°F (175°C).

  2. Season the breast of lamb with salt and pepper.

  3. In a skillet, melt the butter and sauté the chopped onion until translucent.

Roast

  1. Place the lamb in a roasting pan and add the sautéed onion and chicken broth.

  2. Cover and roast for 1 hour, basting occasionally.

  3. Add the peas during the last 15 minutes of cooking.

  4. Serve hot.

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. Lamb + chickentop 5% of all pairs
    Smell alikestrong
    Cooked together626 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

  2. Onion + chickentop 8% of all pairs
    Smell alikemoderate
    Cooked together17,814 recipes

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

  3. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Lamb + peppertop 12% of all pairs
    Smell alikemoderate
    Cooked together3,165 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Peas + oniontop 13% of all pairs
    Smell alikemoderate
    Cooked together5,460 recipes

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

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

What each ingredient does

Lamb breast
Is the main cut, becoming tender and juicy during slow covered roasting.
Peas
Add sweetness and a fresh, green flavor, cooked briefly at the end.
Butter
Adds richness and helps the onion soften and turn translucent in the skillet.
Onion
Adds savory sweetness and aroma as it softens in butter.
Chicken broth
Provides moisture in the roasting pan, keeping the lamb from drying out.

The step that matters

Covered roasting with basting. Covering the lamb traps moisture so the slow roast stays tender, while basting returns juices to the surface. Adding peas only in the last 15 minutes keeps them bright green and tender rather than overcooked.

Swap the peas

How well each one fits the dish's main ingredients (lamb, pepper, butter, onion, chicken):

  1. Sesamefits better
  2. Beansfits better
  3. Peanutfits better
  4. Peasthe original

Fit is the average pairing score against lamb, pepper, butter, onion, chicken. 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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