Why it works: Butter and milk 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 ↓
Moulded Potato
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the potato
Mash the potatoes lightly with a fork.
Work in the butter and milk until combined, but do not make it too soft.
Mould and bake
Wet small cups with cold water and fill them with the potato mixture, packing it down firmly.
Turn the cups out onto a greased baking pan.
Brown in a 400°F (200°C) oven until they are a russet hue, glazing with butter as they color.
Transfer to a flat, hot dish.
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 + milktop 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
- Mashed potatoes
- Form the bulk of the moulded shape, holding its structure once packed and turned out.
- Butter
- Adds richness and flavour, and helps the surface brown to a golden russet colour.
- Milk
- Adds moisture so the potato mixture binds and stays soft enough to pack.
The step that matters
Packing the potato into the cups. Packing the mixture firmly removes air pockets so the shapes hold together when turned out. Keeping the mixture from becoming too soft also helps it keep its form in the oven.
“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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