Why it works: Tomato and pepper are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,923 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Italian Macaroni
Ingredients
Directions
Cook the spaghetti
Boil the spaghetti in salted water until tender.
Drain the spaghetti.
Cut the drained spaghetti into small pieces.
Keep the spaghetti hot in a pan.
Make the sauce and serve
In another pan, melt the butter over medium heat.
Add the grated cheese and tomato soup to the melted butter, stirring until combined.
Add the hot spaghetti to the mixture and season with salt, cayenne, and Tabasco sauce.
Stir until thickened and serve very hot.
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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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + cheesetop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Cheese + tomatotop 13% of all pairsSmell alikemoderateCooked together2,896 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Tomato + saucetop 15% of all pairsSmell alikelowCooked together5,469 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Butter and sauce barely smell alike, yet cooks put them together in 15,338 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Spaghetti
- Forms the bulk of the dish and gives it a chewy, substantial texture.
- Butter
- Adds fat and richness, helping the sauce feel smooth and coat the pasta.
- Grated cheese
- Melts into the sauce, adding savoriness and a creamy, binding texture.
- Tomato soup
- Provides the liquid base, acidity and sweetness that form the sauce.
The step that matters
Stir until thickened. Cheese and condensed soup can turn grainy or separate if overheated. Gentle medium heat and steady stirring let the cheese melt evenly into a smooth, thickened sauce.
Swap the tomato
How well each one fits the dish's main ingredients (butter, cheese, pepper, sauce):
- Capsicumfits better
- Mustardfits about as well
- Tomatothe original
- Potatofits about as well
Fit is the average pairing score against butter, cheese, pepper, sauce. 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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