[she catches the apple on pure reflex, not looking away from this stranger. She's cautious, but curious, and also it's freaking cold outside, so she steps into the house all the way and shoves the door closed with her backpack. She brushes snow off of her coat with her free hand.]

Ahh; that's better. Didn't mean to let in a draft.

[she looks from the stranger to the fruit. Her nose twitches. She keeps her tone light, if cautious, but doesn't move from the door.]

Someone's got to be growing them somewhere close by. ...That's the most I've ever seen left at once, though. You haven't eaten anything yet?