Have not had the pleasure of checking out their store, but I did hit up the food truck when they visited ASU. Awesome key lime! The graham crust was amazing- buttery and delicious. The crust on the chocolate pie was good too, and I don't usually care for standard pie crust.
The mini pies could feed two people, but we destroyed one full dessert each.
Posting a calendar on their website that shows dates and locations for the food truck was a brilliant move- everyone in my office is excited that they come to Tempe once a week.
One suggestion- the website does not appear to list business hours for the Phoenix pie shop.