a stylized burger I textured and rendered. The primary thing that drives the stylization is the Kuwahara filtering. in Fowl Heist we've messed with a mixture of classical and anisotropic Kuwahara filtering based on context. The more you stylize the initial textures the more it seems to come across better in the final render as a way to influence the Kuwahara filtering.
Here's the animated clip with the stylized filtering