How do I render the inside of a transparent model (a glass jar)?

I'm trying to create a HDRP/lit material for a glass jar model. The jar is a single mesh and it has an inside.

However, when rendered by unity the bottom of the glass isn't rendered:

I've tried enabling double-sided surface for the material, as suggested in a tutorial, however, this seems to just disable back-face culling, and, as expected I just get lots of artifacts from z-fighting.

Some parts of the model do look right, though... I guess what I want, is for the inside of the jar to be rendered first, and then the outside on top. Does anyone know how to achieve this?