Choose sushi-grade or very fresh tuna from a trusted source
Keep the tuna refrigerated until ready to cook
Pat the tuna dry with paper towels
Season lightly with salt and pepper
Heat a skillet or grill pan over high heat
Add a small amount of oil with a high smoke point
Sear the tuna for 30 to 60 seconds per side for rare
Sear the edges briefly if desired
Cook longer only if you want it more done
Remove the tuna from heat immediately
Let it rest for 1 to 2 minutes
Slice against the grain
Serve with your preferred sauce or sides