Why it works: Lemon and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Roes, Herring, on Toast
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the roes
Wash the soft roes of the herrings in cold salted water without breaking them.
Place the roes in a deep dish.
Poach the roes
In a small saucepan, combine boiling water, French vinegar, salt, peppercorns, and bay leaves.
Bring the mixture to a boil, skim it, and strain it over the roes.
Cover the dish with buttered paper and place it in a 400°F (200°C) oven.
Cook for 10 minutes, then drain the roes.
Serve
Place one roe on each piece of hot buttered toast.
Squeeze a few drops of lemon juice over each roe and sprinkle with chopped parsley and cayenne pepper.
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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Lemon + parsleytop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Roe + buttertop 14% of all pairsSmell alikelowCooked together442 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Soft herring roes
- Form the main body of the dish, becoming firm and delicate when gently cooked.
- French vinegar
- Adds acidity to the poaching liquid, brightening the rich flavour of the roes.
- Butter
- Enriches the toast and adds richness that complements the roes.
- Lemon juice
- Adds acidity at the end, lifting the flavour of the rich roes.
The step that matters
Cooking the roes in the oven. Roes are delicate and can overcook, becoming dry or rubbery. Keeping them covered in hot liquid at a moderate oven heat for the stated time cooks them gently and keeps them moist.
“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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