The line “shape-shifting run-in with fugative Snow” means Regina indeed takes on another form. We know she has the ability to to appear like an elderly woman (as she did in Hat Trick). Traditionally, the tale of Snow White includes the Evil Queen disguising herself as an old hag who presents a poisoned apple. So, I think this could be Regina’s first attempt to fool Snow White, but she fails, since we know Snow and Regina had a parlay in 1×21 when Snow White willingly ate the poisoned apple.
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"That’s how you know you’ve really got a home. When you leave it, there’s this feeling that you can’t shake. You just miss it." Neal Cassidy