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
Rub together the butter, pounded yolks, cayenne, salt, mustard, and sugar.
Beat the mixture hard.
Add vinegar.
Heat to a boil.
Gradually pour this mixture onto the beaten eggs and whip to a smooth cream.
Set the sauce in hot water while you broil the tomatoes over clear coals.
Serve
Place the broiled tomatoes on a hot dish and pour the scalding dressing 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, which is broiled until heated through and softened.
- Hard-boiled egg yolks
- Are pounded into the butter to give the sauce a thick, rich body.
- Raw eggs
- Are beaten and whipped with the hot mixture to thicken it into a smooth cream.
- Butter
- Adds richness and fat, giving the sauce a smooth, mellow texture.
- Vinegar
- Adds acidity that sharpens the flavour of the rich sauce.
The step that matters
Gradually pour the hot mixture onto the beaten eggs. Adding the hot mixture slowly while whipping gently warms the raw eggs so they thicken into a smooth cream. Pouring too fast can scramble the eggs into lumps.
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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