Pat the sirloin tip steak dry
Season both sides with salt and pepper
Let it sit at room temperature for 20 to 30 minutes
Heat a skillet, grill, or cast-iron pan over high heat
Add a small amount of oil
Sear the steak for 2 to 4 minutes per side
Reduce heat if needed and continue cooking to desired doneness
Use a meat thermometer for accuracy
Remove at 130 to 135°F for medium-rare
Remove at 140 to 145°F for medium
Rest the steak for 5 to 10 minutes
Slice thinly against the grain
Serve immediately