35 New Cavendish, relaxed luxury Marylebone restaurant is a perfect watering hole, still very much in central London but with a relaxed feel and the quality of their ingredients really is impressive. Having finished my meetings at The Lanesborough Hotel I walked up through Hyde Park one beautiful summers day to arrive at 35 New Cavendish for an evenings reservation. My first impressions said high end gastro with a relaxed environment and a high end clientele. Head chef, Douglas Santi, spearheads 35 New Cavendish. You get the idea when you hear specialities include 100 layer lasagne born out of his grandmother’s…