Name: Gravy
Ingredients: trimmings of meat and bones; water; pepper; coarse sea salt; onions; herbs; spices

Why it works: Pepper and onion are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Gravy

Ingredients

Directions

Soak and brush the shank-bones of legs and shoulders of mutton in water.
Boil the bones in water for several hours until rich.
Remove the fat from the broth after it cools.
Use a spoon and white paper to absorb any remaining grease.
Prepare meat by beating it with a mallet and scoring it to release juices.
Season the meat with pepper and coarse sea salt.

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.

Pepper + oniontop 11% of all pairs

Smell alikemoderate

Cooked together68,474 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Meat + oniontop 17% of all pairs

Smell alikelow

Cooked together6,364 recipes

Shared aroma: 2,4-decadienal (seaweed).
Meat + peppertop 19% of all pairs

Smell alikelow

Cooked together8,777 recipes

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