Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Meat Pie
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
Preheat the oven to 400°F (200°C).
Assemble the pie
Layer thin slices of cold meat in a baking dish.
Add grated onion, salt, and pepper.
Add a layer of thin-sliced potatoes.
Repeat the layers until the dish is full.
Pour cold gravy, tomato sauce, or soup stock over the layers.
Cover with pastry rolled to ½ inch thick.
Bake
Bake for about 30 minutes.
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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Onion + potatotop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + tomatotop 5% of all pairsSmell alikestrongCooked together2,798 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + tomatotop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + tomatotop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Pepper + potatotop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cold meat
- Forms the savoury filling that is the main body of the pie.
- Potatoes
- Add starch and body to the layers, soaking up some of the gravy as they cook.
- Onion
- Adds sharp, aromatic flavour that mellows during baking.
- Gravy, tomato sauce, or soup stock
- Provides moisture so the layers cook through and do not dry out.
- Pastry
- Encloses the filling and bakes to a crisp, browned top crust.
The step that matters
Covering with pastry. The layers must be moist and the crust sealed so steam stays in and the filling cooks through. A gap or a thin crust can let liquid escape and leave the potatoes undercooked or the pie dry.
Swap the onion
How well each one fits the dish's main ingredients (meat, pepper, potato, tomato):
- Capsicumfits better
- Carrotfits better
- Okrafits about as well
- Onionthe original
Fit is the average pairing score against meat, pepper, potato, tomato. 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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