Why it works: Ham and egg are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 4,526 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Potatoes and Ham
Ingredients
Directions
The book says “a hot oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Mince the cold boiled ham.
Slice the potatoes very thin.
Season the ham and potatoes to taste.
Assemble and bake
Arrange the ham and potatoes in alternate layers.
Pour 1 pint of thin white sauce mixed with 2 beaten eggs over the layers.
Cover with buttered crumbs.
Bake in a hot oven at 400°F (200°C) until browned.
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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Ham + eggtop 17% of all pairsSmell alikemoderateCooked together4,526 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Ham + saucetop 22% of all pairsSmell alikelowCooked together1,314 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Ham + potatotop 24% of all pairsSmell alikemoderateCooked together127 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Potato + saucetop 25% of all pairsSmell alikelowCooked together1,073 recipes
Shared aroma: ethanol (alcoholic, ethereal).
-
Potato + eggtop 29% of all pairsSmell alikemoderateCooked together4,978 recipes
Shared aroma: (e)-2-octenal (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 layers and become tender as they cook through.
- Eggs
- Set into the white sauce as it bakes, helping the layers hold together.
- Cold boiled ham
- Supplies the savory meat flavor that runs through the layers.
- Thin white sauce
- Keeps the layers moist and binds them as the dish bakes.
The step that matters
Bake until browned. The egg and white sauce mixture must set fully into a custard while the crumb topping browns. Underbaking leaves the centre loose and wet, while overbaking can dry out the potatoes.
Swap the potato
How well each one fits the dish's main ingredients (ham, sauce, egg):
- Mustardfits better
- Asparagusfits better
- Shallotfits better
- Potatothe original
Fit is the average pairing score against ham, sauce, 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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