Serve with sweet potato chips. Preheat the oven to 200C/180C/Gas ... Whiz the bread in a food processor with the cheese (if using), 2 tablespoons of olive oil and a pinch of salt and pepper ...

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.

Go Free's Sweet Potato chips are crushable, and at 120 calories per serving I don't feel too badly about churning through a bag in two sittings. These chips are the perfect thickness, giving you ...