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 ↓
Potato Pudding
Ingredients
Directions
The book says “a brisk oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the potatoes
Boil the potatoes with their skins on until tender.
Drain the potatoes and let them dry.
Peel the potatoes.
Mash the potatoes with butter until smooth.
Add milk gradually to achieve a batter-like consistency.
Make the mixture
Mix in brandy, sugar, and lemon peel.
Simmer the mixture over low heat.
Let the mixture cool.
Beat the egg yolks with a little milk.
Combine the beaten yolks with the potato mixture.
Fold in the whipped egg whites gently.
Bake and serve
Butter a pudding dish.
Pour the mixture into the dish.
Bake in a brisk oven at 400°F (200°C) until set.
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 + 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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Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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 pudding and give it a soft, mashed body.
- Butter
- Adds richness and smooths the mashed potatoes.
- Egg yolks
- Enrich the batter and help it set into a custard-like texture.
- Egg whites
- Whipped and folded in, they add lightness and help the pudding rise.
The step that matters
Folding in the whipped egg whites. Egg whites hold air only while whipped, so folding gently keeps the bubbles intact. Stirring vigorously deflates them and the pudding turns dense rather than light.
Swap the potato
How well each one fits the dish's main ingredients (butter, milk, sugar, brandy, lemon, egg):
- Sweet potatofits about as well
- Asparagusfits about as well
- Arrowrootfits about as well
- Potatothe original
Fit is the average pairing score against butter, milk, sugar, brandy, lemon, egg. 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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