Preheat the oven to 110C/225F/Gas ¼ (fan 80C). Put two large frying pans on the hob over a low to medium heat. Divide the roti dough into four equal pieces and shape each one into a ball.

Place onto a lightly floured peel or an upturned baking tray. Preheat the oven to 220C/425F/Gas 7 and place a baking stone into the oven. To top the breads, lightly brush the top of each flatbread ...