Why it works: Basil and lemon match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 1,820 recipes mention both. Both carry 3-hexenal, which smells apple, fruity. The science ↓
The recipe
Ingredients
Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Make the basil oil
Blanch basil leaves in a small pan of boiling water for about 30 seconds.
Transfer basil leaves to a colander and rinse with cold water.
Squeeze the basil leaves.
Put the basil leaves in a food processor.
Add olive oil and process until puréed.
Pour the basil oil into a small bowl.
Make the soup
Warm oil in a large pot over medium heat.
Add shallots and celery; cook, stirring often, until vegetables begin to soften, 3 or 4 minutes.
Add garlic, zucchini, cinnamon, salt, and pepper to taste.
Cook, stirring occasionally, until zucchini begins to soften, 2 to 4 minutes.
Add stock, increase heat to high and bring to a boil.
Reduce heat to medium, and cook until vegetables are very tender, about 10 minutes.
Put soup in a food processor and purée until smooth.
Return to pot; add lemon juice, and add extra pepper if needed.
Serve
In a small bowl, mix ricotta with just enough milk to thin to consistency of yogurt.
Ladle soup into serving bowls.
Top with a dollop of ricotta mixture, and drizzle with 1 teaspoon basil oil or more as desired.
This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.
Steps grouped into stages for easier reading; the method is the source's own.
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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Basil + lemontop 2% of all pairsAroma overlapstrongMentioned together1,820 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Pepper + lemontop 2% of all pairsAroma overlapstrongMentioned together27,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Celery + lemontop 2% of all pairsAroma overlapstrongMentioned together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Basil + peppertop 3% of all pairsAroma overlapstrongMentioned together5,292 recipes
Shared aroma: methyl cinnamate (strawberry).
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Olive + garlictop 3% of all pairsAroma overlapmoderateMentioned together23,449 recipes
Shared aroma: linalool (floral, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Zucchini
- Forms the bulk of the soup and, puréed, gives it body and a tender, smooth texture.
- Vegetable stock
- Provides the liquid that carries the cooked vegetables and turns them into a soup.
- Ricotta
- Adds creamy richness and a cool, mild contrast to the warm soup.
- Extra virgin olive oil
- Carries flavor and adds fat for a smooth mouthfeel in both the basil oil and the soup.
- Basil leaves
- Supply the fresh, aromatic herb flavor of the oil that finishes the dish.
- Shallots
- Soften slowly in oil to build a sweet, savory base for the soup.
The step that matters
Blanching the basil. Blanching for only about 30 seconds and then cooling the leaves helps them keep a bright green color. Longer heat breaks down chlorophyll and turns the oil dull and olive-brown.
Flavor stand-ins for the shallot
How well each one fits the dish's main ingredients (basil, olive, celery, garlic, cinnamon, pepper, lemon):
- Tomatobetter flavor fit
- Capsicumbetter flavor fit
- Carrotbetter flavor fit
- Shallotthe original
Fit is the average pairing score against basil, olive, celery, garlic, cinnamon, pepper, lemon. 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).
“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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