Dead serious. This is the cauliflower steak technique: https://www.wholesomeyum.com/cauliflower-steak/
The cabbage I just chop into small pieces and toss with EVOO, salt and pepper and throw into the oven for an hour or so. There are more complex recipes like this too: https://www.feastingathome.com/braised-cabbage/
Cauliflower: https://www.wholesomeyum.com/cauliflower-steak/
The lemon pepper is my own addition.
The cabbage is really a non recipe in that I chop it, toss it in olive oil salt and pepper, and slow braise until it just kind of melts in your mouth. There are more detailed recipes too: https://www.feastingathome.com/braised-cabbage/