You don’t need a special gadget to make a superb cheese toastie – a simple frying pan will do. Grate the cheese and add a dollop of Greek yoghurt to give the filling a good texture and tangy ...
Put the sandwiches onto a baking tray and heat in the oven until the cheese is melted. Strain the gravy into two heated bowls, and place the onions on top of the cheese in the sandwich.