Pat the sirloin tip steak dry
Season both sides with salt and black pepper
Let the steak 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 with a high smoke point
Sear the steak for 2 to 4 minutes per side
Reduce heat if needed and continue cooking to desired doneness
Use a meat thermometer to check internal temperature
Remove the steak when it reaches your target temperature
Rest the steak for 5 to 10 minutes before slicing
Slice thinly against the grain
Serve immediately