おにぎりじゃなかったです
お握りじゃなかったです
onigirijanakattadesu

Noun
Desu Copula

The polite, past negative form of おにぎり

1. It wasn't onigiri.; It wasn't a rice ball.

Past/Perfective
Negative
Polite
Casual Register
Food
Usually Written in Kana