Pat the scallops very dry with paper towels
Remove the side muscle if present
Season lightly with salt and pepper
Heat a skillet over medium-high to high heat
Add a thin layer of oil with a high smoke point
Wait until the oil is shimmering
Place scallops in the pan without crowding
Sear without moving them for 1.5 to 2 minutes
Flip once the bottom is deeply golden brown
Cook the other side for 1 to 2 minutes
Add butter, garlic, or herbs near the end if desired
Remove scallops when just opaque and springy
Serve immediately