Why it works: Capers and lemon match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,222 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Caper Sauce
Ingredients
Directions
Chop the capers.
Add the chopped capers and lemon pickle to the melted butter.
Heat the mixture well, but do not let it boil after adding the capers and lemon pickle.
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.
Photo for illustrative purposes only · Contact us to use it
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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Capers + lemontop 5% of all pairsSmell alikestrongCooked together1,222 recipes
Shared aroma: coumarin (sweet, hay).
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Capers + buttertop 16% of all pairsSmell alikemoderateCooked together1,637 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + lemontop 16% of all pairsSmell alikemoderateCooked together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Capers
- Add a sharp, briny acidity that cuts through the rich butter.
- Butter
- Forms the fat base of the sauce and carries flavour and a smooth texture.
- Lemon pickle
- Adds tangy, sour acidity and savoury depth to the sauce.
The step that matters
Heat without boiling after adding the capers and lemon pickle. Boiling a butter-based sauce can cause it to separate and turn greasy, and it can make the acidic lemon pickle taste harsh. Gentle heating keeps the emulsion smooth and the flavours balanced.
Swap the lemon
How well each one fits the dish's main ingredients (capers, butter):
- Lemonthe original
- Avocadofits about as well
- Cherryfits less well
- Limefits less well
Fit is the average pairing score against capers, butter. 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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