Crispy Fish Crackling

• 200 g (7 oz) cod skin (swapsies: any type of fish skin)
• vegetable oil, for deep-frying

Preheat the oven to 100°C/80°C fan (175°F). Lay the fish skin on kitchen paper, dabbing it with more kitchen paper to ensure all sides are completely dry. Place the skin, outer side down, on a piece of greaseproof paper on a roasting tray, and put it into the oven for 20