Silk handkerchiefs with beurre blanc and confit egg yolks

By Louis Korovilas From Saturday Kitchen Ingredients For the confit eggs 250ml/9fl oz vegetable oil 4 egg yolks For the silk handkerchiefs 24 fresh lasagne sheets, cut into 12.5cm/4¾in squares 100g/3½oz walnuts, toasted and finely chopped 20g/¾oz grated Parmesan For the beurre …