A sage advice: Lohia says the butter chicken poutine is The Grub Guru’s signature dish, something he credits not only to the popularity it has garnered but also for the concept for how it came to be.

Centre County native Scott Dubbs has been in food service since he could start working, he said, with early roles at local classics like The Waffle Shop. Then, in his 20s, he moved on to regional ...