Boston’s authority in all things porchetta brings its love of roasted meats to High Street Place with a menu of sandwiches, salads, and bar snacks built around the star of the show: slow roasted, skin-on pork that’s marinated in a mixture of rosemary, garlic and fennel. Pennypacker’s Porchetta Sandwich, served on a house ciabatta roll with broccoli rabe, onions agrodolce or seasonal mostarda, has generated a cult following of pork lovers who have flocked to this new location.