YOU SAID:
Tonight’s dinner is mashed potato
INTO JAPANESE
今夜の夕食はマッシュポテト
BACK INTO ENGLISH
Mashed potatoes for dinner tonight
INTO JAPANESE
今夜の夕食にマッシュポテト
BACK INTO ENGLISH
Mashed potatoes for tonight's supper
INTO JAPANESE
今夜の夕食にマッシュポテト
BACK INTO ENGLISH
Mashed potatoes for tonight's supper
You've done this before, haven't you.