Roasted Black Cod With Chorizo, Potatoes, Peppers and a Pickled Chilli Dressing

Ingredients

• 400g of new potatoes, cut into half if small or quarters if large
• 1 head of garlic, cloves separated but unpeeled
• 2 bell peppers, red, orange or yellow, thickly sliced
• 1 tbsp of olive oil, for cooking
• 2 black cod fillets, around 170g each
• 200g of cooking chorizo, picante, thinly sliced
• 1 handful of mint leaves, torn
• salt
• freshly ground black pepper
• 2 pickled green chillies, finely chopped, plus 1 tbsp brine from the jar
• 1 tbsp of lemon juice
• 4 tbsp of olive oil, for cooking