Why it works: Clove and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 17,451 recipes. Both carry ethyl octanoate, which smells fruity, wine. The science ↓
Tomato Bisque
Ingredients
Directions
Make the bisque
Cook the tomatoes, onion, bay leaf, cloves, and boiling water for eight minutes.
Pass the mixture through a sieve.
Add baking soda, butter in small pieces, salt, pepper, and heavy cream.
Serve
Serve immediately.
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.
-
Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 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
- Canned tomatoes
- Provide the main body and acidity that forms the base of the soup.
- Baking soda
- Neutralizes some tomato acidity, mellowing the flavor and softening the color.
- Butter
- Adds fat for richer flavor and a smoother mouthfeel.
- Heavy cream
- Adds fat and body, giving the bisque a smooth, velvety texture.
The step that matters
Adding the baking soda. Baking soda reacts with tomato acid and can cause foaming and a soapy taste if overused. Adding it carefully in small amounts to the hot mixture keeps the bisque smooth and balanced.
Swap the clove
How well each one fits the dish's main ingredients (tomato, onion, butter, pepper, cream):
- Garlicfits better
- Celeryfits better
- Thymefits better
- Clovethe original
Fit is the average pairing score against tomato, onion, butter, pepper, cream. 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.
More tomato bisque recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.

Tomato Soup526 recipes
Cream of Tomato Soup107 recipes
Cream Tomato Soup28 recipes
Tomato Fritters23 recipes