Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Stewed Tomatoes
Ingredients
Directions
Prepare
Pour boiling water over the tomatoes.
Remove the skins and hard stem ends with a sharp knife.
Cut the tomatoes into small pieces.
Stew and finish
Stew the tomatoes in a porcelain-lined or granite saucepan for 30 minutes.
Add 2 tablespoons of butter, 1 teaspoon of sugar, and salt and pepper to taste.
Stew for an additional 15 to 20 minutes, or until the desired thickness is reached.
Thicken with bread crumbs.
Add a slice of onion if desired.
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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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + breadtop 10% of all pairsSmell alikemoderateCooked together1,013 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Pepper + oniontop 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
- Tomatoes
- Main body of the dish, breaking down during stewing to form the sauce.
- Bread crumbs
- Absorb liquid and thicken the stewed tomatoes.
- Butter
- Adds fat and richness to the finished stew.
- Sugar
- Balances the acidity of the tomatoes with mild sweetness.
The step that matters
Stewing until the desired thickness. Tomatoes release a lot of water as they cook, and bread crumbs only thicken once the liquid has reduced. Adding them too early or stopping too soon leaves the dish watery. Checking thickness during the final 15 to 20 minutes lets the cook control the texture.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (tomato, butter, sugar, pepper, bread):
- Capsicumfits better
- Potatofits better
- Sweet potatofits better
- Onionthe original
Fit is the average pairing score against tomato, butter, sugar, pepper, bread. 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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