The Little Kitchen is the younger sibling of the popular Vintage Kitchen on Poolbeg Street, set up by Chef Sean Drugan and Stephen O'Driscoll.   Located in the middle of the charming swathe of shops and eateries on the triangle of Upper Leeson Street, The Little Kitchen has become a local culinary hotspot, joining renowned neighbours Farm Restaurant and Forest Avenue.   At The Little Kitchen they provide the ideal trifecta of eating out: food of substance based on great local ingredients, a dining room that is relaxed and informal and service that matches the quality of the food.   They also have a bring your own wine policy so diners can enjoy their own tipples with their meals, all corkage free if you order two courses.     Their menus are simplistic to allow the co