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200 g
Easy
Published 2016
Mash the eggs by passing them through a sieve into a bowl. Stir in the mustard and vinegar. Add the oil very slowly, in a thin stream, whisking constantly, as if you were making a mayonnaise. Once the mixture is thick and creamy, gently stir through the capers, gherkins (pickles) and chervil. Taste to check the seasoning.