Name: To Fry Onions
Ingredients: onions; water; fat pork; pepper; coarse sea salt

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 ↓

To Fry Onions

Ingredients

Directions

Wash and slice the onions.
Chop the onions finely and place them in a frying pan.
Cover the onions with water and simmer until the water has evaporated.
Add the fat pork and fry until the onions are browned.
Season 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.

Onion + porktop 10% of all pairs

Smell alikemoderate

Cooked together18,214 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + peppertop 11% of all pairs

Smell alikemoderate

Cooked together68,474 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Pork + peppertop 16% of all pairs

Smell alikemoderate

Cooked together22,121 recipes

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