Chicken and chips at Frango.Edwina PicklesIt’s a well-known fact that the heart of Little Portugal pumps chilli sauce. It’s the closely guarded secret of the Fernandes family’s Petersham institution,where the butterflied charcoal chicken gets stuffed into foil bags with a flourish of the hot,garlicky elixir,and the burgers – featuring crumbed fillets,S&W mayo and lettuce – positively drip with the stuff. Soak it up.