LEMON PEPPER COD BABY POTATOES AND PEA SHOOTS

250g baby new potatoes, halved or quartered lengthways • 1 tbsp sunflower oil • ½ x 170g pot tartare sauce • 260g Icelandic cod loin, halved • 2 tbsp Cooks’ Ingredients Lemon & Pepper Crust • ½ x 80g pack pea shoots (or lambs lettuce) • ½ lemon, juice, plus wedges to serve