Key Takeaways A medium baking potato takes 35–45 minutes in the air fryer at 200°C, versus 60–90 minutes in a conventional oven — with crispier skin. Oil, salt and a fork-pricked skin are the whole secret: the circulating air crisps the skin like nowhere else. One large baking potato costs around 25–40p, making this one of the cheapest hot dinners in the UK. Microwave for 5 minutes first if you’re in a hurry — it cuts air fryer time to about 20 minutes without sacrificing the crisp finish. The baked potato is Britain’s great unsung budget dinner: cheap, filling, endlessly customisable, and deeply comforting. Its one flaw has always been…