One bite out of one of each sort of cookie.
After my query, his confession: "I was hungry so I ate some cookies while it was still dark."
A perfectly acceptable answer. But one bite out of each?? Why not eat ALL the cookies, if it's still dark and not a soul around can hear your tiny bare pads pitter patter across the parquet? My boy, an interesting, introspective, deliberate darling of a boy.