Why it works: Chocolate and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 10,020 recipes. Both carry sotolon, which smells curry, maple. The science ↓
Potato Cake
Ingredients
Directions
Boil the potatoes until tender, then mash them finely.
Beat the egg whites and yolks separately until fluffy.
Mix the mashed potatoes, beaten eggs, sugar, grated chocolate, allspice, boiling water, vanilla, flour, and baking powder together until well combined.
For the icing, combine sugar, grated chocolate, and boiling water in a bowl.
Add the egg whites, vanilla, cream of tartar, sugar, and flour to the icing mixture and mix until smooth.
Spread the icing over the cooled potato cake.
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.
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Chocolate + vanillatop 5% of all pairsSmell alikemoderateCooked together10,020 recipes
Shared aroma: sotolon (curry, maple).
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Sugar + vanillatop 8% of all pairsSmell alikelowCooked together35,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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Sugar + creamtop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Chocolate + creamtop 11% of all pairsSmell alikemoderateCooked together5,466 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Allspice + vanillatop 12% of all pairsSmell alikestrongCooked together520 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the allspice
How well each one fits the dish's main ingredients (potato, egg, sugar, chocolate, vanilla, flour, cream):
- Cinnamonfits better
- Nutmegfits better
- Peppermintfits better
- Allspicethe original
Fit is the average pairing score against potato, egg, sugar, chocolate, vanilla, flour, cream. Candidates are from the same food group and used in at least 100 recipes.
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