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 ↓
Potato Beef
Ingredients
Directions
The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the potato mash
Boil the Irish potatoes until tender.
Mash the potatoes until smooth, mixing in milk and beaten eggs.
Layer and bake
Spread a layer of the potato mixture in a pie pan.
Add a layer of thinly sliced lean beef.
Repeat layers until the pan is full, finishing with potatoes on top.
Dot the top layer with bits of butter.
Bake in a slow oven at 300°F (150°C) until heated through.
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 + beeftop 8% of all pairsSmell alikemoderateCooked together2,052 recipes
Shared aroma: sotolon (curry, maple).
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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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Milk + beeftop 12% of all pairsSmell alikemoderateCooked together3,759 recipes
Shared aroma: 1-hexanal (fruit).
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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
- Irish potatoes
- Provide the bulk and starch that give the mash its body.
- Eggs
- Bind the mash and set when baked, holding the layers together.
- Milk
- Moistens the mash and makes it smooth and soft.
- Lean beef
- Adds savory meaty flavor and substance between the potato layers.
- Butter
- Adds fat and richness, and helps the top brown and moisten as it bakes.
The step that matters
Bake until heated through. Thinly sliced lean beef cooks quickly, but it must reach a safe internal temperature throughout the layers. Baking low and slow heats the centre evenly, while the egg-set potato layers firm up without drying out.
“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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