Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Potato Cake
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the potato base
Roast the potatoes in the ashes until done, then peel them.
In a pan, combine the potatoes with salt, lemon rind, butter or cream, and sugar.
Mash the mixture and rub it through a colander, stirring hard.
Set the mixture aside to cool.
Make the cake
Beat the eggs and gradually stir them into the cooled mixture.
Season with mixed spice and rose-water.
Butter a mold or deep dish and coat the inside with grated bread.
Pour the mixture into the mold and bake at 350°F (175°C) for 45 minutes.
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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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Potato + lemontop 12% of all pairsSmell alikemoderateCooked together2,230 recipes
Shared aroma: 2-nonenal (fatty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Lemon + rosetop 13% of all pairsSmell alikelowCooked together1,174 recipes
Shared aroma: decanal (soap, orange peel).
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Egg + breadtop 13% of all pairsSmell alikemoderateCooked together22,662 recipes
Shared aroma: (e)-2-octenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Provide the starchy bulk that gives the cake its soft, moist body.
- Eggs
- Set during baking to bind the mixture and give it a light, custard-like structure.
- Butter or cream
- Adds fat and richness, softening the texture and carrying flavour.
- Sugar
- Adds sweetness and contributes to browning on the surface during baking.
- Rose-water
- Adds a delicate floral aroma to the finished cake.
The step that matters
Let the mixture cool before adding the eggs. Beaten eggs added to a hot mixture can scramble or curdle unevenly. Cooling first lets the eggs blend smoothly and set into an even, tender crumb during baking.
Swap the potato
How well each one fits the dish's main ingredients (lemon, butter, sugar, egg, rose, bread):
- Arrowrootfits better
- Asparagusfits better
- Sweet potatofits better
- Potatothe original
Fit is the average pairing score against lemon, butter, sugar, egg, rose, bread. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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