Why it works: Onion and potato match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 9,019 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
8 servingsIngredients
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat the vegetable oil in a large pot over medium-high heat. Season the beef shank with 1 teaspoon of the salt and 1 teaspoon of the black pepper, then brown it on all sides, about 8 minutes.
Add the chopped onion and cook 3 minutes. Pour in the diced tomatoes with their juice, the beef broth and the water. Bring to a boil, then reduce to a gentle simmer.
Skim off any foam, partly cover, and simmer about 60 minutes until the shank is fork-tender and the thickest part of the meat reaches 145°F (63°C).
Add the chopped carrots, the potato if using, and the chayote if using. Simmer about 15 minutes until the carrots are almost tender.
Add the corn pieces and cabbage wedges. Simmer about 15 minutes more until the corn and cabbage are tender.
Lift out the beef shank, pull the meat off the bone, discard the bone, and return the meat to the pot. Stir in the remaining salt and pepper to taste and 1/4 cup chopped cilantro.
In a small bowl, combine the finely chopped onion, sliced pickled jalapenos and 1 cup chopped cilantro to make a relish.
Ladle the soup into bowls and serve hot with the relish, lime wedges and quartered radishes on the side.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Onion + potatotop 2% of all pairsAroma overlapstrongMentioned together9,019 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Carrot + potatotop 3% of all pairsAroma overlapstrongMentioned together3,105 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Potato + corntop 3% of all pairsAroma overlapstrongMentioned together938 recipes
Shared aroma: (e)-2-octenal (fatty, green).
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Tomato + potatotop 3% of all pairsAroma overlapstrongMentioned together2,797 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 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
Flavor stand-ins for the potato
The recipe marks potato as optional. How well each one fits the dish's main ingredients (beef, pepper, onion, tomato, carrot, corn, chayote):
- Capsicumabout as good a flavor fit
- Potatothe original
Fit is the average pairing score against beef, pepper, onion, tomato, carrot, corn, chayote. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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