The best place to eat Gotong Batangas will of course be in Batangas. We were actually in Lipa on our way home from Laiya. And that's the most perfect thing because Gotong Batangas is also most of the time referred to as Goto ng Lipa.
I usually get Gotong Batangas right by the entrance of Nasugbu in Tagaytay (which is technically also Batangas already). You'll surely pass it on your way to Punta Fuego or Tali. It's really one of my favorites. In fact, if you Google search "Gotong Batangas" you will see one of my old entries on HubPages as the number on result on the first page:
And, another reason why I love this is beacause people who serve this will usually give free refills of the soup to those who order. Yup, libreng sabaw. :D