Name: Light Fruit Cake
Ingredients: 1 pound cake; 1 cup currants; 1 cup raisins; ½ cup sliced citron; 1 tablespoon mixed spices; juice and grated rind of ½ lemon; flour (for dusting the fruit)

Why it works: Raisin and flour match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Light Fruit Cake

Ingredients

Directions

Prepare a pound cake.
Mix in 1 cup of currants and raisins, and ½ cup of sliced citron.
Add 1 tablespoon of mixed spices, and the juice and grated rind of ½ lemon.
Dust the fruit with flour before adding it to the batter.

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.

Raisin + flourtop 1% of all pairs

Smell alikestrong

Cooked together9,075 recipes

Shared aroma: isobutyraldehyde (malty, green).
Currant + raisintop 10% of all pairs

Smell alikelow

Cooked together6,180 recipes

Shared aroma: gamma-nonanolactone (coconut, creamy).
Raisin + lemontop 14% of all pairs

Smell alikemoderate

Cooked together3,742 recipes

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

Smell alikemoderate

Cooked together30,404 recipes

Shared aroma: isobutyraldehyde (malty, green).
Currant + lemontop 20% of all pairs

Smell alikelow

Cooked together4,270 recipes

Shared aroma: alpha-pinene (pine, turpentine).