Why it works: Mustard and vinegar 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 ↓
Lobsters
Ingredients
Directions
Prepare the lobster
Boil the lobster in a pot of boiling water with a handful of salt for 30 minutes.
Remove the lobster and wipe off any foam, then rub it with a little sweet oil.
Once cooled, break off the claws and crack the shell without disturbing the meat.
Place the lobster body upright on a dish, arranging the claws and tail around it.
Make the salad and egg sauce
Chop the salad and mix with melted butter, mustard, and vinegar; season with salt and pepper.
Spread the salad mixture on a flat dish.
Beat the eggs and mix with vinegar, then heat on the stove while stirring until thickened.
Once cooled, spread the egg mixture over the lobster.
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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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Lobster + mustardtop 16% of all pairsSmell alikemoderateCooked together394 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Butter + eggtop 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
- Lobster
- Forms the main protein, with tender meat that is set by the initial boiling.
- Eggs
- Thicken into a custard-like sauce when heated, giving the dish a creamy coating.
- Melted butter
- Adds fat and richness, coating the salad leaves with a smooth texture.
- Mustard
- Adds sharp, pungent flavour that balances the richness of butter and eggs.
- Salad
- Provides a fresh, crisp base that carries the dressing.
The step that matters
Heating the egg and vinegar mixture. Eggs thicken when heated gently while stirred; if the heat is too high or stirring stops, they can scramble and turn lumpy instead of smooth and creamy.
Swap the mustard
How well each one fits the dish's main ingredients (lobster, butter, vinegar, pepper, egg):
- Capsicumfits about as well
- Mustardthe original
- Cucumberfits less well
- Shallotfits less well
Fit is the average pairing score against lobster, butter, vinegar, pepper, egg. 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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