YOU SAID:
Cook for 15 minutes, put into oven to heat
INTO JAPANESE
15分間調理し、オーブンに入れて加熱します
BACK INTO ENGLISH
Cook for 15 minutes and heat in the oven
INTO JAPANESE
15分間調理し、オーブンで加熱します
BACK INTO ENGLISH
Cook for 15 minutes and heat in the oven
That didn't even make that much sense in English.