Trenchers catering is a professional caterer whos cheapest menu is £3.10 per person delivered, however, if you want to be able to cater cheaply, we recommend you make your buffet yourself, be careful to plan and to give yourself plenty of time. Remembering the basic elements of catering - Sandwiches, savouries(Sausage rolls pork pies etc,), crisps, fruit and sweets.