Name: Anchovy Eggs
Ingredients: 2 hard-boiled eggs; 1 teaspoon anchovy paste; 2 ounces butter; a few grains cayenne pepper; a few drops of red food coloring; a few drops of green food coloring; salt to taste; pepper to taste

Why it works: Egg and anchovy are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 2,330 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Anchovy Eggs

Ingredients

Directions

Cut the hard-boiled eggs in half and carefully remove the yolks.
Slice a small piece from the end of the egg whites.
In a bowl, pound together the yolks, butter, and anchovy paste.
Add cayenne, salt, and pepper to the mixture and fill the egg whites.
Color the remaining mixture half red and half green.
Pass the colored mixture through a fine sieve to decorate the eggs.

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.

Egg + anchovytop 12% of all pairs

Smell alikemoderate

Cooked together2,330 recipes

Shared aroma: decanal (soap, orange peel).
Anchovy + buttertop 13% of all pairs

Smell alikemoderate

Cooked together3,697 recipes

Shared aroma: decanal (soap, orange peel).
Anchovy + peppertop 17% of all pairs

Smell alikelow

Cooked together3,232 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Egg + buttertop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

Shared aroma: decanal (soap, orange peel).
Butter + peppertop 21% of all pairs

Smell alikemoderate

Cooked together85,593 recipes

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