Why it works: Sweet potato and butter are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 1,491 recipes. Both carry 2,3-pentanedione, which smells butter, sweet. The science ↓
Sweet Potatoes, Spanish Style
Ingredients
Directions
Prepare
Boil the sweet potatoes until tender, then let them cool.
Peel the cooled sweet potatoes and slice them into ¼‑inch thick slices.
Fry and serve
Heat clarified butter in a frying pan.
Add a layer of sweet potato slices to the pan and fry until golden on both sides.
Drain the fried potatoes and serve them on a napkin.
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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Sweet potato + buttertop 20% of all pairsSmell alikemoderateCooked together1,491 recipes
Shared aroma: 2,3-pentanedione (butter, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sweet potatoes
- Provide the starchy body of the dish; boiling softens them and frying gives a golden crust.
- Clarified butter
- Conducts heat for frying and adds rich flavour while browning the potato surfaces.
The step that matters
Fry until golden on both sides. Sweet potato slices need enough heat and a single layer in the pan so they brown rather than steam. Crowding lowers the pan temperature, leaving the slices pale and soft instead of crisp.
“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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