A very tough gristly cut can be improved by tenderizing. Going low-and-slow/sous vide to melt the connective tissue. Even grinding it up to make a hamburger steak / loco moco.
Once you know all of those things, choosing the right approach and executing it is not that hard. The steps themselves are simple.
It's this story all over again:
Sir, I regret to inform you that you are going straight to hell.
CBF with having to travel a bull up here when a dewar goes in the boot of my car.