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 ↓
Pot Roast of Beef
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Preheat the oven to 350°F (175°C).
Season the pot roast with salt and pepper.
Braise
In a large pot, brown the roast on all sides.
Add water, onions, carrots, and potatoes to the pot.
Cover and cook in the oven for 2 to 3 hours, until the meat is tender.
Serve
Serve hot.
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.
Photo for illustrative purposes only · Contact us to use it
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).
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Carrot + potatotop 4% of all pairsSmell alikestrongCooked together3,107 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Pepper + carrottop 6% of all pairsSmell alikestrongCooked together14,555 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 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
- Pot roast of beef
- Provides the main protein, which becomes tender through slow, moist cooking.
- Onions
- Add sweetness and savory depth as they soften in the cooking liquid.
- Carrots
- Add natural sweetness and hold their shape during long cooking.
- Potatoes
- Absorb cooking juices and become soft, adding starch that thickens the sauce slightly.
The step that matters
Brown the roast on all sides. Browning creates flavorful Maillard reactions on the meat's surface. Searing dry, evenly coloured meat builds the deep flavour that the long braise then carries through the dish.
Swap the onion
How well each one fits the dish's main ingredients (beef, pepper, carrot, potato):
- Capsicumfits about as well
- Tomatofits about as well
- Onionthe original
- Parsnipfits about as well
Fit is the average pairing score against beef, pepper, carrot, potato. 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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