In article .com,
wrote:

I have always tended to use toggle bolts but then I always tend to
overengineer.

I wouldn't call that over-engineering. I'd call that common sense.
Toggles are good...and cheap.
I will use a couple of tapcons to hold the unit in place while I drill a
hole right through the cabinet and block wall. I use a nice big
fender-washer.

A falling cabinet could knock over a fine wine. Who needs that?