Steps
1)  Mix glutinous rice flour and  corn flour in a large bowl
2)  Add water and condensed milk, mix well as soft paste roll
3)  Pour into pain container and steam in high heat for 15 minutes
4)  Cut paste roll into 6 balls while it cool down, press a hole on ball by thumb
5)  Steam red bean paste with 1 tbsp of water until soft, let it cool
6)  Filled red bean paste into rice ball's hole by a spoon, seal the rice ball
7)  Rolling the rice ball gently until the ball is total sealed
8)  Roll over on grinded coconut, dish up and serve in cool       
　

Remark