Why it works: Olive and tomato match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 14,164 recipes mention both. Both carry 3-hexenal, which smells apple, fruity. The science ↓
The recipe
Serves 4Ingredients
Contains: wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Heat a splash of olive oil in a large pot over medium heat. Add the chopped onion, diced carrots and diced celery and cook, stirring, for 8 minutes until softened.
Stir in the harissa paste, ground cumin and tomato purée and cook for 2 minutes, stirring constantly, until fragrant.
Add the chopped tomatoes and vegetable stock, then bring to a simmer.
Reduce the heat to low, cover partly and simmer for 15 minutes until the carrots are tender.
Drain and rinse the chickpeas, then add them to the pot along with the couscous. Simmer uncovered for 5 minutes until the couscous is tender.
Taste and adjust the seasoning. Stir in most of the chopped parsley, reserving a little for garnish.
Ladle the soup into bowls and scatter over the remaining parsley to serve.
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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Olive + tomatotop 1% of all pairsAroma overlapstrongMentioned together14,164 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Carrot + celerytop 1% of all pairsAroma overlapstrongMentioned together10,172 recipes
Shared aroma: myristicin (spice, warm).
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Cumin + chickpeatop 1% of all pairsAroma overlapstrongMentioned together473 recipes
Shared aroma: linalool (floral, citrus).
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Carrot + cumintop 2% of all pairsAroma overlapstrongMentioned together776 recipes
Shared aroma: methyl cinnamate (strawberry).
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Cumin + tomatotop 2% of all pairsAroma overlapmoderateMentioned together3,272 recipes
Shared aroma: beta-phellandrene (minty, terpene).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the harissa
How well each one fits the dish's main ingredients (olive, onion, carrot, celery, cumin, tomato, chickpea):
- Corianderbetter flavor fit
- Oreganobetter flavor fit
- Parsleybetter flavor fit
- Harissathe original
Fit is the average pairing score against olive, onion, carrot, celery, cumin, tomato, chickpea. 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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