Why it works: Onion and pork are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 18,214 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Roast Grouse
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the bird
Remove the neck and wings close to the body and cut off the feet at the joints.
Ensure all feathers are removed, then draw the bird and wash it quickly in cold water.
Peel the onion and cut it into four parts, placing them inside the bird.
Truss the bird and season it with salt and pepper.
Rub the butter over the breast and legs, then dredge thickly with flour.
Cut the pork into thin slices and lay it over the breast, securing it with skewers or toothpicks.
Roast and serve
Place the grouse on its back on a tin plate and roast in a hot oven at 400°F (200°C) for 30 minutes.
Remove the skewers when done, pour half a pint of bread sauce on a hot dish, and place the bird on top, breast up.
Sprinkle fried crumbs over the bird and sauce, and garnish with parsley.
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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Onion + porktop 10% of all pairsSmell alikemoderateCooked together18,214 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + porktop 13% of all pairsSmell alikemoderateCooked together13,933 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Adds fat and richness, and helps the flour coating brown during roasting.
- Fat salt pork
- Bastes the breast with its fat, keeping the lean meat moist as it roasts.
- Flour
- Forms a thick coating that helps the outside crisp and brown in the oven.
The step that matters
Roasting in a hot oven. Grouse is lean and cooks quickly, so a hot oven browns the skin and coating while the meat stays juicy. Overcooking dries the breast, and the skewers should be removed only once the bird is done.
Swap the onion
How well each one fits the dish's main ingredients (butter, pork, pepper, flour):
- Potatofits better
- Capsicumfits better
- Shallotfits about as well
- Onionthe original
Fit is the average pairing score against butter, pork, 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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