Pat the skirt steak dry
Season both sides with salt and pepper
Heat a skillet, grill, or grill pan over high heat
Add a small amount of oil if needed
Cook the steak 2 to 4 minutes per side for medium-rare
Avoid overcooking
Remove the steak from the heat
Let it rest for 5 to 10 minutes
Slice thinly against the grain
Serve immediately