Longitud 315 is an utterly fantastic is a fantastic South American "fusion" restaurant in Highwood at 315 Waukegan Avenue.  Tremendously creative appetizers and marvelous entrees.  Service is attentive and both owner and chef check on diners to make sure all is wonderful.  BYOB.  The buzz is getting bigger so reservations are recommended.  847-926-7485.  www.longitud315.com