Sarah Michelle Gellar, Freddie Prinze Jr. and their kids always take cooking classes when they travel new places, Gellar tells PEOPLE. Gellar and Prinze share two kids — daughter Charlotte, 15, and son Rocky,

Rather than mentees, Gellar — who spent lots of time on set, despite not returning for the reboot — "came away with so many new, really good friends," she tells PEOPLE

We don't know all that much about the "Buffy the Vampire Slayer" reboot and according to Sarah Michelle Gellar, we know even less than we thought we did. The actor, who is working as an executive producer on the reboot,