Tuesday night at La Cacciata is nearly always a big dinner at the Belcapos’ villa. The guests have been away for the day, shopping and absorbing the splendours of Umbria. On returning, there is no class. They’re obviously too tired to prepare their own dinner, and so am I. Clara Belcapo and her maid Marissa cook for us, her husband pours the Prosecco, and the chambermaids double as waitresses. The dinner follows a sure and certain pattern: crostini with ‘to