My recipe states that with Guanciale there is no need for cream, but if you substitute the Guanciale you’ll need an alternative source of fat and that can be cream
Running TETRA DMR shouldn’t be an issue, unfortunately all TMO repeaters are quite far away from me. There is a simplex repeater quite close, it will be my first step to try to activate that one
I’m running gpt-oss20b fine on my m3 MacMini