Why it works: Clove and pepper match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 17,451 recipes mention both. Both carry ethyl octanoate, which smells fruity, wine. The science ↓
Tomato Sauce
Ingredients
Directions
Cook the tomatoes with the onion and cloves for 10 minutes.
In a small frying pan, heat the butter and add the flour; stir over heat until smooth and brown.
Stir the butter and flour mixture into the tomatoes.
Season with salt and pepper to taste.
Rub the sauce through a fine strainer to remove all seeds.
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.
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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Clove + peppertop 5% of all pairsAroma overlapstrongMentioned together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Tomato + peppertop 7% of all pairsAroma overlapmoderateMentioned together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + oniontop 8% of all pairsAroma overlapmoderateMentioned together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + peppertop 11% of all pairsAroma overlapmoderateMentioned together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + clovetop 12% of all pairsAroma overlapmoderateMentioned together3,474 recipes
Shared aroma: ethyl caproate (fruity, apple peel).
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 flavor of the sauce.
- Butter
- Carries the flour and adds richness to the sauce.
- Flour
- Thickens the sauce when cooked with butter and stirred into the tomatoes.
The step that matters
Cooking the butter and flour until smooth and brown. Flour must be cooked in fat so it dissolves smoothly without lumps and loses its raw taste. Stirring over heat keeps it from scorching while it browns, which adds a deeper, nutty flavor to the sauce.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (tomato, butter, flour, clove, pepper):
- Capsicumbetter flavor fit
- Eggplantbetter flavor fit
- Okrabetter flavor fit
- Onionthe original
Fit is the average pairing score against tomato, butter, flour, clove, pepper. 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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