[Connor, who happens to be nearby and content to people-watch, is quick to supply an answer.]

Marshmallows.

[The usual display of data doesn’t conveniently pop up in his mind’s eye, so to speak, but after a small pause, he finds himself drawing up the details in his head the normal way. Like pulling something slowly out of a vast, deep sea.]

Sugar, water, gelatin. Potentially corn syrup, but I can’t verify that completely. But safe to consume — common enough, where I’m from.