Wallenbergare (Swedish veal burgers)

By Niklas Ekstedt From Saturday Kitchen Ingredients For the Wallenbergare 500g/1lb 2oz minced veal 500g/1lb 2oz cabbage, finely chopped 15g/½oz salt pinch finely ground white pepper 400ml/14fl oz double cream 1 free-range egg yolk 300g/10½oz breadcrumbs 2 tbsp vegetable oil 50g/1¾oz butter For the mashed potatoes …