Name: Sweet Potato Custard
Ingredients: 4 or 5 good-sized sweet potatoes; 1 cup melted butter; 2 cups brown sugar; spices to taste; 4 eggs; wine or brandy for flavoring

Why it works: Butter and wine are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 8,645 recipes. Both carry 2-furfurylthiol, which smells coffee, roasted. The science ↓

Sweet Potato Custard

Ingredients

Directions

Boil the sweet potatoes until tender.
Mash the potatoes well to remove lumps and beat until light.
While warm, add the melted butter and brown sugar.
Mix in spices to taste and then add the eggs.
Finally, stir in wine or brandy for flavoring.

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.

Butter + winetop 13% of all pairs

Smell alikemoderate

Cooked together8,645 recipes

Shared aroma: 2-furfurylthiol (coffee, roasted).
Sweet potato + sugartop 17% of all pairs

Smell alikemoderate

Cooked together1,151 recipes

Shared aroma: 2-nonenal (fatty, green).
Butter + eggtop 17% of all pairs

Smell alikemoderate

Cooked together118,967 recipes

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

Smell alikemoderate

Cooked together98,233 recipes

Shared aroma: guaiacol (smoky, sweet).
Sweet potato + buttertop 20% of all pairs

Smell alikemoderate

Cooked together1,491 recipes

Shared aroma: 2,3-pentanedione (butter, sweet).