Why it works: Potato and butter are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 6,456 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Roast Potatoes
Ingredients
Directions
Prepare the fire
Prepare a fire until the coals are red hot.
Cover the coals with hot ashes.
Place the potatoes on the ashes.
Cover the potatoes with more ashes and red-hot coals.
Roast and serve
Let them roast for 25 minutes.
Remove the potatoes, wipe them clean, and crush them open.
Add a small amount of butter and sprinkle with salt.
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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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Dense starch that softens into a fluffy interior as it cooks in the heat.
- Butter
- Adds fat that melts into the hot flesh, carrying flavor and moisture.
The step that matters
Cover the potatoes with more ashes and red-hot coals. Potatoes cook through only when heat surrounds them evenly. Ashes and coals on all sides deliver steady heat to the core. If the covering is thin or cool, the centers can stay firm while the skins char.
“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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