Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Tomato Omelet
Ingredients
Directions
Make the tomato sauce
Cook tomatoes until soft, then rub through a colander to puree.
Season the tomato puree with butter, coarse sea salt, pepper, and white sugar.
Make and serve the omelet
Beat eggs and mix in milk.
Cook the egg mixture in a skillet until an omelet forms.
Roll the omelet into two rolls and place them on a platter.
Pour the seasoned tomato sauce over the omelet and serve 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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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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Milk + tomatotop 15% of all pairsSmell alikemoderateCooked together2,226 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + sugartop 17% of all pairsSmell alikemoderateCooked together98,233 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set into the structure of the omelet as they cook, holding it together.
- Milk
- Adds moisture and softness to the beaten eggs, keeping the omelet tender.
- Tomato
- Provides the main flavor and moisture of the sauce poured over the omelet.
- White sugar
- Sweetness that balances the acidity of the tomato puree.
The step that matters
Cook the egg mixture in a skillet until an omelet forms. Eggs turn from liquid to firm as their proteins set with heat. Cooking too hot or too long makes them tough and dry, while stopping too early leaves the omelet runny and hard to roll.
Swap the tomato
How well each one fits the dish's main ingredients (egg, milk, butter, pepper, sugar):
- Capsicumfits better
- Potatofits better
- Asparagusfits better
- Tomatothe original
Fit is the average pairing score against egg, milk, 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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