To reverse sear a steak in the oven you reverse sear the steak at a temperature of 275 F.
It's pretty simple to reverse sear a steak in the oven.
The technique to reverse sear a steak is as simple as seasoning a roast or a thick-cut steak (the method works best with steaks at least one and a half to two inches thick) and arrange the meat on a wire rack set in a rimmed baking sheet, and place it in a low oven—between 200 and 275°F
To reverse sear a steak in the oven takes 50 to 55 minutes.
To sear steak means to cook the steak at a high temperature until a browned crust forms.
Searing in cooking is a cooking technique in which the surface of the food is cooked at a high temperature until a browned crust forms.