GrayFox wrote:
What's the best way to hang cabinet doors? Mount the hinges to the
doors and then to the face frame, or mount to the face frame and then to
the doors?
Hang the hinge on the door. If the cabinets are built-ins, put blocks
under the door from the floor up to its correct position, mark the screw
holes and go from there. If free standing, lay the cabinet on its back,
position the door and ...

Quite often, some bad words help the situation.
mahalo,
jo4hn