ピザの写真を撮ろうと思っていたのを思い出した頃には食べ終わっていた。
Pizza
I had finished the pizza by the time I realized that I had wanted to take a picture of it.
ピザの写真を撮ろうと思っていたのを思い出した頃には食べ終わっていた。
ピザの写真を撮ろうと思っていたのを思い出した頃には食べ終わっていた。

hahaha! that's great!! I've run into the same situation several times, but never had the guts to take a picture of the empty plate :D
It wasn't a bad pizza, but if you were back in Japan, I'd probably go to Nakameguro for pizza with you instead.
You can't see him, but the former evangelist was at the other side of the table.