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To Roast a Leg of Pork

A roasted leg of pork seasoned with sage, onions, pepper, salt, served with 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 ↓

To Roast a Leg of Pork

Ingredients

Directions

Prepare and roast

  1. Cut a slit in the knuckle of the pork and fill it with sage, chopped onions, pepper, and salt.

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

Serve

  1. Serve with 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. Onion + potatotop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

  3. Pork + potatotop 5% of all pairs
    Smell alikemoderate
    Cooked together2,668 recipes

    Shared aroma: sotolon (curry, maple).

  4. Pepper + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

  5. Sage + appletop 10% of all pairs
    Smell alikemoderate
    Cooked together755 recipes

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

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

What each ingredient does

Pork
Provides the main meat, whose fat and connective tissue render and baste the leg as it roasts.
Sage
Adds a savoury, herbal aroma that flavours the meat from within the slit.
Onions
Soften as they cook inside the leg, adding moisture and gentle sweetness to the filling.
Apple sauce
Its acidity and sweetness cut through the rich pork fat on the plate.

The step that matters

Scoring the skin without cutting deeper than the rind. Cutting into the meat opens channels that let juices escape, drying the flesh. Scoring only the skin gives the fat a path to render and the rind a chance to crisp evenly while the meat stays moist.

Swap the apple

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

  1. Limefits better
  2. Avocadofits better
  3. Lemonfits better
  4. Applethe original

Fit is the average pairing score against pork, sage, onion, pepper, sauce, potato. 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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