YOU SAID:

I eat Mahand's cookie that he left in the oven last night.

INTO JAPANESE

昨夜オーブンに置いてきたマハンドのクッキーを食べます。

BACK INTO ENGLISH

I will eat the Mahand cookie that I left in the oven last night.

INTO JAPANESE

昨夜オーブンに置いてきたマハンドクッキーを食べます。

BACK INTO ENGLISH

I will eat the Mahand cookie that I left in the oven last night.