Preheat the oven to 200C/180C Fan/Gas 6. Put the sweet potatoes in a baking tray, pour over 1 tablespoon of the oil, season and toss. Roast for 40 minutes, or until browning at the edges and tender.

The key is putting a little time and effort into the preparation of the potatoes ... Bake chips for 10 minutes at 428°F using ...

Air fryers and ovens both use convection to heat and cook food ... particularly to items such as potatoes or sweet potatoes, gives them an added delicious crispness.

Sure, there were plenty of cooks pointing out that they were just tiny convection ... and I started making chips with whatever root vegetable was sent – potatoes, sweet potatoes, swedes, I ...