Roll up, roll up... The owner of a Cambuslang snack van is proving that the best way to thank kind- hearted frontline staff in times of crisis is through the stomach.Lynne Duffin, who runs The Food Stop in Cambuslang Investment Park, has donated more than 700 hot breakfast rolls to carers, hospital workers and emergency services staff – and expects to hit the 1000 mark by Friday.Because Lynne’s snack van is one of the few hot food outlets in the area with permission to trade during the lockdown, The Food Stop has been a godsend to essential workers.“I started getting all these carers who work for a private company called Keane coming.