Why it works: Vinegar and mustard are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Broiled Tomatoes with Sauce
Ingredients
Directions
Make the sauce
Combine melted butter, pounded yolks, mustard, sugar, salt, and cayenne in a bowl.
Beat the mixture well, then add vinegar and heat until boiling.
Gradually pour the hot mixture over the beaten eggs, whipping until smooth.
Place the sauce in a bowl over hot water (double boiler).
Broil and serve
Broil the tomatoes over clear coals.
Serve the broiled tomatoes on a hot dish.
Pour the hot sauce over them.
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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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Tomato + mustardtop 11% of all pairsSmell alikemoderateCooked together2,482 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + sugartop 15% of all pairsSmell alikemoderateCooked together20,806 recipes
Shared aroma: beta-damascenone (apple, rose).
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Tomato + vinegartop 16% of all pairsSmell alikemoderateCooked together5,063 recipes
Shared aroma: beta-damascenone (apple, rose).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the main body of the dish, softening and browning under direct heat while keeping their shape.
- Egg yolks
- Thicken the sauce and give it a smooth, rich body as they cook gently.
- Raw eggs
- Add structure to the sauce, setting as they are whipped into the hot mixture.
- Melted butter
- Adds fat for richness and a silky mouthfeel to the sauce.
- Vinegar
- Adds acidity that sharpens the flavor and balances the richness of the sauce.
The step that matters
Gradually pour the hot mixture over the beaten eggs, whipping until smooth.. Adding hot liquid to raw eggs too quickly can scramble them. Pouring slowly while whipping tempers the eggs so the sauce thickens smoothly.
Swap the tomato
How well each one fits the dish's main ingredients (egg, butter, vinegar, sugar, mustard):
- Horseradishfits better
- Shallotfits better
- Chivefits better
- Tomatothe original
Fit is the average pairing score against egg, butter, vinegar, sugar, mustard. 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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