Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Mashed Potatoes
Ingredients
Directions
Boil the potatoes
Boil the potatoes in salted water until tender.
Cut them open to check for hollowness.
Mash and serve
Place the potatoes in a warm flat stone crock.
Mash the potatoes finely with a wooden beater.
Add the hot milk or cream and cut-up butter.
Mash until light and smooth.
Transfer to a warm deep dish with a cover.
Serve hot.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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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
- Form the bulk of the dish, and their starch thickens and fluffs when mashed.
- Hot sweet milk or cream
- Adds moisture and softness, making the mash smooth and creamy.
- Fresh butter
- Adds fat for richness and a smoother, silkier texture.
The step that matters
Check the potatoes for hollowness after boiling. Potatoes that are still firm or hollow in the center will mash unevenly and turn out lumpy. Cutting one open confirms they are fully cooked through before mashing.
“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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