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 the pork
Preheat your oven to 350°F (175°C).
Cut a slit in the knuckle of the pork leg and fill it with chopped sage, onion, salt, and pepper.
Roast the pork until half done, then score the skin in slices without cutting deeper than the outer rind.
Make the gravy and serve
To make the gravy, remove excess fat from the roasting pan.
Stir a spoonful of flour with a little water, then add it to the pan.
Add more water to achieve the desired gravy consistency and serve in a gravy boat.
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.
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Sage + peppertop 3% of all pairsSmell alikestrongCooked together5,388 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Pork + oniontop 10% of all pairsSmell alikemoderateCooked together18,214 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pork + sagetop 12% of all pairsSmell alikemoderateCooked together2,527 recipes
Shared aroma: 2-hexenal (green, leafy).
-
Sage + oniontop 12% of all pairsSmell alikemoderateCooked 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 becomes tender and juicy as it roasts.
- Sage
- Adds aromatic herbal flavour that infuses the meat from the inside during roasting.
- Onion
- Adds savoury sweetness and aroma as its flavour mellows in the roasting pan.
- Flour
- Thickens the pan juices into a smooth gravy.
The step that matters
Scoring the skin without cutting deeper than the outer rind. Cutting into the meat lets juices escape and dries the pork, while a shallow score lets fat render and the skin crisp evenly.
Swap the onion
How well each one fits the dish's main ingredients (pork, sage, pepper, flour):
- Capsicumfits better
- Turnipfits better
- Spinachfits better
- 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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