- 2 sushi-grade ahi tuna steaks about 6 oz each, 1–1.5 inches thick
- 1 tablespoon neutral oil avocado, grapeseed, or vegetable — not olive oil
- 1 tablespoon black peppercorns coarsely cracked
- 1 tablespoon sesame seeds black, white, or a mix
- 1 teaspoon flaky sea salt
- Optional: soy sauce sriracha mayo, or ponzu for serving