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 ↓
Scalloped Tomato
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare
Peel and slice the tomatoes.
Pound the crackers into crumbs.
Layer and bake
Butter a deep dish and sprinkle a layer of crumbs.
Add a layer of sliced tomatoes and season with butter, pepper, coarse sea salt, and a little sugar.
Continue layering tomatoes and crumbs, seasoning each layer until the dish is full, finishing with crumbs on top.
Bake for 30 minutes at 400°F (200°C).
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).
-
Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Butter + peppertop 21% of all pairsSmell alikemoderateCooked together85,593 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Tomato + buttertop 22% of all pairsSmell alikemoderateCooked together6,918 recipes
Shared aroma: 3-hexenal (apple, fruity).
-
Pepper + sugartop 32% of all pairsSmell alikelowCooked together19,401 recipes
Shared aroma: 2-nonenal (fatty, green).
Pepper and sugar barely smell alike, yet cooks put them together in 19,401 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
- Tomatoes
- Make up the bulk of the dish and release juices that moisten the crumbs as it bakes.
- Crackers
- Crumbs soak up tomato juice and bake into a soft, layered structure with a crisp top.
- Butter
- Adds richness and fat that helps the top crumbs brown in the oven.
- Sugar
- Adds a little sweetness that balances the acidity of the tomatoes.
The step that matters
Layering the tomatoes and crumbs. Each layer needs enough crumbs to absorb the tomato juice; too few crumbs leave the dish watery, while packing the layers loosely lets juice pool at the bottom.
Swap the tomato
How well each one fits the dish's main ingredients (butter, pepper, sugar):
- Capsicumfits better
- Potatofits better
- Sweet potatofits better
- Tomatothe original
Fit is the average pairing score against butter, pepper, sugar. 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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