http://www.youtube.com/watch?v=Fg_nDMsnX1g
この動画のコメントで

Oh my god...it's not dough! It's called mochi. 
It's sweet rice thats been pounded into a paste
 and is then filled with sweet red bean paste 
(I know it sounds weird but it's VERY delicious)
 It's green because it's probably matcha (green tea) flavored mochi.

ってのがあって
途中まではいいけど最後に勘違いしてて惜しいと思った(;´Д`)