Mix the fresh orange juice with a squeeze of fresh lime, tasting and adjusting to your liking. Pour into the lolly moulds until each one is three-quarters full. Put the moulds in the freezer upright for an hour or so before poking an ice-lolly stick into e
Continue to freeze for a further 3 hours, or preferably, overnight, until solid. Remove the moulds from the freezer and, working quickly, dip the moulds briefly into hot water, then gently pull the lollies out of the moulds and serve straight away.