Name: Cons Roe
Ingredients: roe; toast; butter; lemon; cayenne pepper

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 ↓

Cons Roe

Ingredients

Directions

Cut the roe into slices.
Serve the slices with toast and butter.
Add lemon and cayenne pepper to taste.

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).
Roe + buttertop 14% of all pairs

Smell alikelow

Cooked together442 recipes

Shared aroma: 2,6-nonadienal (cucumber, green).
Butter + lemontop 16% of all pairs

Smell alikemoderate

Cooked together41,227 recipes

Shared aroma: 3-hexenal (apple, fruity).
Roe + lemontop 18% of all pairs

Smell alikelow

Cooked together251 recipes

Shared aroma: 1-octen-3-ol (mushroom, earthy).
Butter + peppertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

Shared aroma: trans-2-nonenal (cardboard, fatty).