I rushed the custard cream a bit. It's slightly thinner than it should be, and the texture is a bit naff because it's composed of two photos and a bit of hand-painting. But it doesn't matter because it's a practice biscuit.
I forgot to build it larger from the beginning, and so it ended up being 2.2 Hammer units long, and tiny! This was an ideal time to try the $scale property of the QC file (a bit like a pre-compile VMT). If I made it again, it would be a good starter project for sculpting, so I could use a high poly mesh to make ambient occlusion and a normal map. Or if the reference image was good enough, make a displacement map and use that, perhaps.