Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Tomato Sauce
Ingredients
Directions
Make the tomato base
Stew the tomatoes with cloves, parsley, pepper, and salt; strain the mixture.
Make the sauce
In a saucepan, melt the butter over medium heat until it bubbles.
Add the flour and stir.
Cook until done.
Add the strained tomato pulp and stir until smooth.
Thin with soup stock.
Serve hot with fish cutlets.
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 their aromas overlap, and how often cooks already put them together.
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Clove + parsleytop 6% of all pairsSmell alikestrongCooked together6,768 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + parsleytop 8% of all pairsSmell alikemoderateCooked together5,398 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the main body, flavour and pulp of the sauce.
- Butter
- Carries flavour and enriches the sauce with fat for a smoother mouthfeel.
- Flour
- Thickens the sauce when cooked with the melted butter, giving it body.
- Soup stock
- Thins the thickened sauce to the desired consistency and adds savoury depth.
The step that matters
Cook the butter and flour before adding tomato. Cooking the flour in melted butter until it bubbles cooks out its raw starch taste and lets it thicken properly. Adding the tomato too early, or before the roux is cooked, can leave the sauce tasting floury and lumpy.
Swap the tomato
How well each one fits the dish's main ingredients (clove, parsley, pepper, butter, flour):
- Shallotfits better
- Carrotfits better
- Parsnipfits better
- Tomatothe original
Fit is the average pairing score against clove, parsley, pepper, butter, flour. 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.
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