Why it works: Lettuce and beetroot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 678 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Lobster, Gratin of
Ingredients
Directions
Prepare the salad
Remove the meat from the lobster and cut it into small squares.
Trim and wash the lettuces, ensuring they are completely dry.
Tear the lettuces into pieces and layer them in a large dish.
Add layers of lobster on top of the lettuce until all ingredients are used.
Make the mayonnaise
In a bowl, beat the egg yolks for 2–3 minutes until thick.
Gradually add the salad oil, beating well after each addition.
Add the tarragon vinegar and continue to mix until the sauce is thick and smooth.
Season the mayonnaise with dry mustard, salt, and white pepper.
Serve
Pour the mayonnaise over the salad just before serving.
Garnish with powdered lobster coral, sliced beetroot, and hard-boiled eggs.
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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Lettuce + beetroottop 1% of all pairsSmell alikestrongCooked together678 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Lettuce + mustardtop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lettuce + tarragontop 1% of all pairsSmell alikestrongCooked together425 recipes
Shared aroma: coumarin (sweet, hay).
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Tarragon + beetroottop 1% of all pairsSmell alikestrongCooked together184 recipes
Shared aroma: coumarin (sweet, hay).
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Tarragon + mustardtop 1% of all pairsSmell alikestrongCooked together901 recipes
Shared aroma: methyleugenol (clove, spice).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify the oil and vinegar into a thick, smooth mayonnaise.
- Salad oil
- Provides fat and richness, forming the body of the mayonnaise.
- Tarragon vinegar
- Adds acidity that brightens the mayonnaise and balances the oil.
- Lobster
- Supplies the main protein and the sweet, delicate flavour of the dish.
- Lettuces
- Form the crisp base layer that holds the lobster and dressing.
The step that matters
Adding the salad oil gradually. Oil must be added slowly while beating so it disperses into the egg yolks as tiny droplets. Adding it too fast can break the emulsion, leaving the mayonnaise thin and oily instead of thick and smooth.
Swap the white pepper
How well each one fits the dish's main ingredients (lobster, lettuce, tarragon, vinegar, egg, mustard, beetroot):
- Capersfits better
- Dillfits better
- Parsleyfits better
- White pepperthe original
Fit is the average pairing score against lobster, lettuce, tarragon, vinegar, egg, mustard, beetroot. 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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