Girls - she made me cookies, does that mean anything?

I've got a good friend who happens to be a girl. We've known each other for many years now and have been flirting back and forth to each other. We got together one day and she gave me some cookies, saying she made too many for her family. Is that a flirting tool you girls use, like she wants the friendship taken to the next level, or was she just being friendly?
Girls - she made me cookies, does that mean anything?
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