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Roast Leg of Pork

A roasted leg of young pork seasoned with sage, onion, pepper, and salt, served with gravy, apple sauce, and potatoes.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Sage and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 5,388 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Roast Leg of Pork

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.

Prepare

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

  2. Make a cut in the knuckle of the pork leg and fill it with sage, onion, pepper, and salt.

Roast and finish

  1. Roast the pork until half done, then score the skin in slices without cutting deeper than the outer rind.

  2. Remove excess fat from the roast, add flour mixed with a little water, and then add more water to achieve the desired consistency.

  3. Serve the gravy in a gravy boat alongside apple sauce and potatoes.

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. Sage + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together5,388 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Pork + oniontop 10% of all pairs
    Smell alikemoderate
    Cooked together18,214 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. Pork + sagetop 12% of all pairs
    Smell alikemoderate
    Cooked together2,527 recipes

    Shared aroma: 2-hexenal (green, leafy).

  5. Sage + oniontop 12% of all pairs
    Smell alikemoderate
    Cooked together3,628 recipes

    Shared aroma: coumarin (sweet, hay).

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

What each ingredient does

Pork leg
Provides the main meat, which turns tender and juicy as it roasts slowly.
Flour
Thickens the pan juices into a smooth gravy as it cooks in the liquid.
Sage
Adds a savoury, aromatic herb flavour that penetrates the meat from the stuffing.
Onion
Adds sweetness and aroma as it softens and flavours the meat from within.

The step that matters

Scoring the skin without cutting too deep. Cutting only through the outer rind keeps the meat underneath from drying out and lets the fat render, which helps the skin crisp.

Swap the onion

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

  1. Capsicumfits better
  2. Turnipfits better
  3. Spinachfits better
  4. Onionthe original

Fit is the average pairing score against pork, sage, pepper, flour. 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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