The desserts are works of art and are so good. Words and pictures are not enough. Hope you get to try them when in Hanoi.
P.S. You need to make a reservation a few days in advance. They only seat 50 people. I think I spent around $50 the first time. When I went back in 2010, I spent almost $70.
Phone Numbers: (+84)4/38266919 - (+84)4/38266920