Name: Scalloped Frogs
Ingredients: hind quarters of frogs; lemon juice; cracker crumbs; 2 beaten eggs; ½ cup milk; pepper; coarse sea salt; lard; butter

Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Scalloped Frogs

Ingredients

Directions

Prepare the frogs

Scald the hind quarters in boiling water.
Rub them with lemon juice.
Boil the hind quarters for three minutes.
Wipe them dry.

Coat and fry

Dip the hind quarters in cracker crumbs.
Dip them in a mixture of beaten eggs and milk seasoned with pepper and salt.
Coat them again in cracker crumbs.
Fry in a mixture of lard and butter until golden brown.

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.

Lemon + peppertop 3% of all pairs

Smell alikestrong

Cooked together27,047 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).
Milk + buttertop 7% of all pairs

Smell alikemoderate

Cooked together81,283 recipes

Shared aroma: (z)-4-heptenal (biscuit, cream).
Lemon + milktop 15% of all pairs

Smell alikemoderate

Cooked together19,053 recipes

Shared aroma: 2-nonenal (fatty, green).
Lemon + buttertop 16% of all pairs

Smell alikemoderate

Cooked together41,227 recipes

Shared aroma: 3-hexenal (apple, fruity).
Egg + buttertop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).