An inviting, all-white kitchen in Michael Bruno’s Tuxedo Park home is full with a custom-made sink and counters and a Fisher & Paykel dishwasher. A pair of 19th-century English chairs and a Kartell desk match perfectly into the nook of this tiny Brazilian kitchen in a São Paulo building. A trendy kitchen by architect Achille Salvagni crafted for a storied Roman palazzo, combines a brass light fixture and a Venetian portrait from the 1780s. Making the most of your counter …