Okay, pineapple on pizza is a sin. My grandmother told me that pizza is 3 things (she is 100% pure Italian btw, so don't you DARE @ at me)- 1) tomato sauce, and only San Marzano tomatoes, 2) fresh basil and 3) mozarella di buffala. THAT'S IT. I want all the pineapple pizza stans to hear me-...