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 ↓
Fish Bauce
Ingredients
Directions
Cream the butter until light and fluffy.
Mix in lemon juice until well combined.
Beat in the chopped pickled walnuts.
Stir in the minced parsley.
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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Walnut + parsleytop 7% of all pairsSmell alikestrongCooked together865 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Lemon + walnuttop 10% of all pairsSmell alikestrongCooked together2,149 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Butter + walnuttop 15% of all pairsSmell alikemoderateCooked together6,832 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Fat that carries flavour and, when creamed, traps air for a light, smooth texture.
- Lemon juice
- Acidity that brightens the sauce and balances the richness of the butter.
- Pickled walnuts
- Adds tangy, savoury flavour that gives the sauce its character.
- Parsley
- Adds a fresh, herbal aroma that lifts the rich butter.
The step that matters
Cream the butter until light and fluffy. Beating softened butter incorporates air, which makes the sauce light and spreadable. Butter that is too cold or under-beaten stays dense, and the other ingredients will not blend in evenly.
Swap the walnut
How well each one fits the dish's main ingredients (butter, lemon, parsley):
- Chickpeafits better
- Pistachiofits about as well
- Walnutthe original
- Almondfits about as well
Fit is the average pairing score against butter, lemon, parsley. 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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