Alex doesn't get approached by random guys on the street that often. She's a little awkward in new social situations at the best of times, and right now isn't the best of times.

Her eyes flick away from the building to the stranger, then back.

"No, it's a--" She clears her throat awkwardly, making a face somewhere between a smile and a grimace. "It's a muffin." Judging by the comment, he's noticed how long she's spent eating it, which isn't really something she wants noticed. Trying to allay suspicion, she breaks off a decent-sized piece and puts it in her mouth.