CHARLOTTESVILLE, Va. (WVIR) – A Richmond-based food truck traveled to Charlottesville today to help an area shelter, by giving away frozen burritos. Sous Casa is a frozen food truck that delivers pre-made, frozen burritos. Sous Casa isn’t just on a mission to make the perfect frozen burrito, though. It’s also on a mission to help area nonprofits, like shelters and food banks helping those dealing with food insecurity.