Name: Potatoe Bread
Ingredients: 1½ pounds all-purpose flour; 1½ pounds boiled potatoes, mashed very fine; clean lime (for white potatoes); charcoal (for sweet potatoes)

Why it works: Lime and sweet potato match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 177 recipes. Both carry decanal, which smells soap, orange peel. The science ↓

Potatoe Bread

Ingredients

1½ pounds all-purpose flour
1½ pounds boiled potatoes, mashed very fine
clean lime (for white potatoes)
charcoal (for sweet potatoes)

Directions

Replace 1½ pounds of flour with 1½ pounds of boiled, mashed potatoes.
For white potatoes, add a piece of clean lime the size of a walnut to the boiling water.
For sweet potatoes, add a piece of charcoal to the boiling water to enhance flavor.

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.

Lime + sweet potatotop 1% of all pairs

Smell alikestrong

Cooked together177 recipes

Shared aroma: decanal (soap, orange peel).
Flour + sweet potatotop 9% of all pairs

Smell alikemoderate

Cooked together627 recipes

Shared aroma: isobutyraldehyde (malty, green).
Potato + limetop 9% of all pairs

Smell alikemoderate

Cooked together424 recipes

Shared aroma: decanal (soap, orange peel).
Flour + limetop 15% of all pairs

Smell alikemoderate

Cooked together1,381 recipes

Shared aroma: isobutyraldehyde (malty, green).
Flour + potatotop 15% of all pairs

Smell alikemoderate

Cooked together5,355 recipes

Shared aroma: isobutyraldehyde (malty, green).