Place steak on a plate, platter or sheet pan.
Sprinkle with salt.
Add black pepper.
Add garlic powder if desired.
Rub the seasonings into the meat, pressing firmly.
Flip the steak over and repeat adding seasonings.
Let sit on counter for 30-45 minutes to come up to room temperature.
Place skillet over Medium heat on stove top. Let pan get hot.
Add the bacon grease, let it melt.
Add the steak. Cook 3-4 minutes until lightly browned on bottom.
Use tongs to hold steak on edge to cook the layer of fat.
Flip steak over.
Add butter and let melt.
Spoon melted butter on top of steak.
Cook steak until it reaches temp you desire.
Remove to plate and let rest 5-10 minutes before serving.
Enjoy!