Why it works: Butter and rosemary are a kitchen classic. They rank in the top 16% of all ingredient pairs, and 1,095 recipes mention both. Both carry ethyl decanoate, which smells grape, waxy. The science ↓
The recipe
Serves 8Ingredients
Contains: milk (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 the oven to 425°F (220°C) and lightly oil a rimmed baking sheet. Cut the butternut squash into 1-inch pieces, discarding seeds. Quarter the onion, cut the apple into rough chunks, and halve the garlic head crosswise.
Spread the squash, apple, onion and garlic on the sheet. Drizzle with olive oil, season lightly with salt and pepper, and toss. Roast about 30 minutes until the squash is tender and lightly browned.
While the vegetables roast, melt the butter in a large pot over medium heat. Add the rosemary sprig and cook for 1 minute.
Add the roasted vegetables and stock to the pot. Squeeze the soft roasted garlic cloves into the pot. Bring to a simmer and cook, partly covered, for 10 minutes. Remove and discard the rosemary sprig.
Stir in the nutmeg and chipotle powder. Blend until completely smooth with an immersion blender, or in batches in a countertop blender with the lid vented.
Stir in the lemon juice and season with salt and pepper to taste. If the soup is too thick, thin it with a splash of water and reheat gently.
Pick the thyme leaves from the bunch. Ladle the soup into bowls, top each with a spoonful of crème fraîche and a sprinkle of thyme, and serve hot.
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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Butter + rosemarytop 16% of all pairsAroma overlapmoderateMentioned together1,095 recipes
Shared aroma: ethyl decanoate (grape, waxy).
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Onion + garlictop 1% of all pairsAroma overlapstrongMentioned together29,030 recipes
Shared aroma: furaneol (caramel, strawberry).
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Garlic + olivetop 3% of all pairsAroma overlapmoderateMentioned together23,449 recipes
Shared aroma: linalool (floral, citrus).
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Olive + rosemarytop 3% of all pairsAroma overlapstrongMentioned together2,489 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Rosemary + nutmegtop 3% of all pairsAroma overlapstrongMentioned together179 recipes
Shared aroma: estragole (anise, licorice).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the nutmeg
How well each one fits the dish's main ingredients (butternut squash, apple, onion, garlic, butter, olive, rosemary):
- Thymebetter flavor fit
- Sagebetter flavor fit
- Gingerbetter flavor fit
- Nutmegthe original
Fit is the average pairing score against butternut squash, apple, onion, garlic, butter, olive, rosemary. 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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