As soon as the rich aromas hit us at the top of the (twenty-seven) stairs, we know we’re in for a spectacular culinary experience. Sure – both the fact that Twenty Seven Steps is helmed by formidable foodie duo Emma Mettrick and Paul Howells (formerly of Little Bistro fame) and a quick glance around confirming that it’s comfortably packed on a Wednesday night are also strong indicators – but it’s the immediately comforting and simultaneously ravenousness-inducing incense of serious gourmet cred that floats us to our table.Like a cunning optical illusion, the slinky single New Regent Street shop front entrance (about to be transformed into a hip alfresco bar!) makes way for an intimate and swishy second-floor dining space that spans the width of four shops. The space channels bistro-luxe sophistication sans the stuffy pretension; timber floors and dark wood tables – complete with guttering candlelight and vintage, purposefully mismatched, crockery...