It reminds me of the Steak-umms I grew up on in the 1980s ... or sometimes cubed steak (a pre-tenderized cut with waffle-like marks), but using ultra-tender ribeye makes for a sumptuous dish ...
and then using indirect heat to slowly let it render and come up in temp to the place where you want it to be," he says, finishing your seared steak in the oven. You can consult various recipes ...