1) Add salt to the soy powder and mix well.
2) On a wire mesh over the stove or in a toaster, toast the mochi cakes for about 6-7 min or until they are puffed.
3) Submerge the cakes in boiling water for a while to soften, drain well .
4) Coat the cakes with a lot of soy powder and sugar.
5) Serve immediately on nice serving dishes.