Cut potatoes in 1.5 cm cubes
Cut the Brugge Broodje Apero cheese in 1 cm cubes
Peel, seed and dice the tomatoes
Boil the potatoes then mix straight away with the apero cheese, mustard, salt and pepper and cubed tomatoes
While the potatoes are cooking, season the fish with salt and pepper and fry in butter
Serve everything hot with some shiso and spoon over some butter from the fish pan.