In Northern Liberties, Restaurant School grad Mark Tropea, who spent the last seven years as executive sous chef at the Desmond bHotel/b in Malvern, is tuning up Sonata, a simply decorated, 40-seat BYOB that replaced Swallow in Liberties Walk (1030 N. American St., 215-238-1240). ... Augusto bJalon/b, chef-owner of Augusto's in Warminster, is going into the former Stefano's on Huntingdon Pike in Huntingdon Valley with his second restaurant later this summer. ...
