Banh Gio is a Vietnamese specialty from Hanoi.
The ravioli made from rice flour of generally pyramidal shape with a stuffing made from pork, black mushrooms and scented mushrooms and all surrounded by a banana leaf, this leaf has above all a role of maintaining for cooking at the water of the loaves.
Here is a very detailed video in French to visualize how to make a banh gio. No need to complicate your life with several types of flour, the preparation of Vinh Thuan is ready to use.