I made rice and put it in the fridge yesterday, but I made more today because I forgot about it.
I made more rice today by mistake becasue I forgot about the rice I made yesterday.
ーI made rice and put it in the fridge yesterday, but I made more today because I forgot about it.
「昨日お米を炊いて冷蔵庫に入れたが、忘れて今日また炊いてしまった」
to make rice で「お米を炊く」
fridge で「冷蔵庫」
ーI made more rice today by mistake because I forgot about the rice I made yesterday.
「昨日炊いたお米のことを忘れて、今日間違えてもっとお米を炊いてしまった」
by mistake で「間違えて」
ご参考まで！
カナダ 
