New year's omochi after (osonae & kagamibiraki) 鏡開きって何? What is cutting a Kagamimochi? 仏様や年神様の為に、お餅をお供えします。 仏様や年神様に感謝し、1月11日に 鏡開きをしてそのお餅を家族で食べます。 I want the offerings of God and Buddha year the New Year. Was on January 11, to give thanks to God and Buddha year, I eat with my family that mochi.