Heat a griddle pan, hot plate, frying pan or barbecue to hot. Brush the burgers with a little oil and cook: four minutes each side for a medium finish for six burgers, a little longer if you have ...
Place on the griddle pan or barbecue and cook for 6–8 minutes ... mint with the lime juice and season well. To assemble the burgers, put a mushroom on the bottom brioche half and spread over ...