YOU SAID:
Baking cookies with dad.
INTO JAPANESE
お父さんと一緒にクッキーを焼く。
BACK INTO ENGLISH
Bake cookies with your father.
INTO JAPANESE
お父さんと一緒にクッキーを焼きなさい。
BACK INTO ENGLISH
Bake cookies with your father.
That didn't even make that much sense in English.