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Roast Leg of Lamb, Mint Sauce, Potatoes, Spinach

A roast leg of lamb served with mint sauce, potatoes, and spinach.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Potato and spinach work together. They rank in the top 5% of all ingredient pairs, and cooks put them together in 646 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓

Roast Leg of Lamb, Mint Sauce, Potatoes, Spinach

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 leg of lamb with salt and pepper.

Cook

  1. Roast the lamb in the oven for about 1.5 to 2 hours, or until it reaches your desired doneness.

  2. While the lamb is roasting, prepare the potatoes by peeling and cutting them into chunks.

  3. Boil the potatoes in salted water until tender, then drain.

  4. Steam or sauté the spinach until wilted.

Serve

  1. Serve the roasted lamb with mint sauce, potatoes, and spinach.

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. Potato + spinachtop 5% of all pairs
    Smell alikemoderate
    Cooked together646 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

  2. Lamb + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together520 recipes

    Shared aroma: 2-undecenal (sweet).

  3. Lamb + spinachtop 10% of all pairs
    Smell alikemoderate
    Cooked together300 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Mint + spinachtop 11% of all pairs
    Smell alikemoderate
    Cooked together290 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

  5. Lamb + minttop 12% of all pairs
    Smell alikelow
    Cooked together772 recipes

    Shared aroma: 2,4-decadienal (seaweed).

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

What each ingredient does

Leg of lamb
Provides the main meat, which becomes tender and juicy as it roasts slowly.
Potatoes
Starchy base that turns soft and fluffy when boiled until tender.
Spinach
Adds leafy vegetable body that softens and wilts when briefly steamed or sautéed.
Mint sauce
Adds bright, acidic, herbal contrast to the rich roasted lamb.

The step that matters

Roasting the lamb to doneness. Meat keeps cooking after it leaves the oven, and overcooking dries out the lean muscle. Checking internal temperature rather than relying only on time helps the lamb reach the desired doneness.

Swap the mint

How well each one fits the dish's main ingredients (lamb, sauce, potato, spinach):

  1. Garlicfits better
  2. Cuminfits better
  3. Capersfits better
  4. Mintthe original

Fit is the average pairing score against lamb, sauce, potato, spinach. 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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