Rice cake for New Year (kagami mochi - 鏡餅)

Kagami mochi is a rice cake as well as a traditional New Year decoration. It is usually formed of two round rice cakes (mochi) with the smaller one positioned above. On top of them a Japenese bitter orange is placed. Various ornaments are added to decorate, like white and red paper, branches, silver and gold strings, etc.

http://en.wikipedia.org/wiki/Kagami_mochi

http://muza-chan.net/japan/index.php/blog/traditional-new-year-decorations-2