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 ↓
Tomato Souffle
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the mixture
In a saucepan, combine the tomato pulp, butter, grated cheese, boiled macaroni, stale bread crumbs, and mustard.
Stir over medium heat until the mixture boils, then let it cool.
Once cooled, mix in the egg yolks, followed by the egg whites, and season with salt and pepper.
Bake
Dust the top with additional cheese.
Transfer the mixture to a buttered baking dish and bake in a 400°F (200°C) oven until set.
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).
-
Cheese + breadtop 7% of all pairsSmell alikemoderateCooked together2,130 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).
-
Butter + cheesetop 8% of all pairsSmell alikemoderateCooked together7,962 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 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
- Egg whites
- Whipped or folded in, they trap air and lift the mixture as it bakes.
- Egg yolks
- Add richness and help bind the mixture as it sets.
- Stale bread crumbs
- Absorb liquid and give the mixture body and structure.
- Grated cheese
- Adds savoury flavour, fat, and browning on the top.
- Tomato pulp
- Provides moisture, acidity, and the main flavour of the dish.
The step that matters
Let the mixture cool before adding the eggs. Egg whites hold air only when the base is cool enough not to deflate them or partly cook the yolks. Adding them to a hot mixture can cause loss of lift and a dense, uneven rise.
Swap the mustard
How well each one fits the dish's main ingredients (tomato, butter, cheese, bread, egg, pepper):
- Capsicumfits better
- Potatofits better
- Asparagusfits better
- Mustardthe original
Fit is the average pairing score against tomato, butter, cheese, bread, egg, pepper. 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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