栃餅

1. Origins, structure, and basic meaning

• Structure: 栃餅 is read as とちもち and is a noun for tochi mochi, a rice cake made with horse chestnuts.
• Basic usage: Buying fragrant rice cakes appears in 香りのよい栃餅を買う, while one’s grandmother making them appears in 栃餅を作る.

2. Common pitfalls and similar expressions

• A regional food with a specific ingredient
  • It denotes a particular rice cake made with horse chestnuts rather than rice cakes in general.
• Difference from 餅
  • Unlike the broad word for rice cake, this term specifies the variety containing horse chestnuts.