Seared Tuna Steak

• 1 ahi tuna steaks, 1 inch thick, sushi-grade (Buy from a trusted fishmonger. Must be labeled sushi or sashimi grade for safe rare consumption.)
• 0.5 tbsp tallow or butter
• coarse salt
• black pepper

Instructions

1. 1

   Pat steaks bone-dry. Season all sides with salt and pepper.

2. 2

   Cast iron on very high until smoking. Add tallow.

3. 3

   Lay tuna in the pan. Sear exactly 45 seconds. Do not move it.

4. 4

   Flip. Sear 45 more seconds. Stand steaks on each edge for 15 seconds each to sear the sides.

5. 5

   Transfer to a cutting board. Slice against the grain in 1/4 inch slices immediately. The center should be cool raw ruby red.