YOU SAID:
I like pineapple and peppers on my pizza
INTO JAPANESE
ピザにパイナップルとピーマンが好きです
BACK INTO ENGLISH
I like pineapples and peppers for pizza
INTO JAPANESE
ピザにはパイナップルとピーマンが好きです
BACK INTO ENGLISH
I like pineapples and peppers for pizza
You've done this before, haven't you.