Beef silverside, rump, chuck steak or skirt (allow at least 200g untrimmed meat per burger/person) The best (least artificial) baps or burger buns you can lay your hands on - or use sections of ...

The unique burger is actually a rump steak, and each one has been cooked for two days in a 'sous-vide water bath', Miguel explained on Channel 10's The Living Room.

2 tbsp extra virgin olive oil or duck fat; 600g rump steak, finely chopped; 1 onion, finely chopped; sea salt and freshly ground black pepper, to taste ...

At Sainsbury's, the rump steak is a little cheaper at £3.19 and a little lighter at 225g, which also works out at £14.18/kg. Tesco's 255g rump steak costs £3.62 which is £14.20/kg.