If using 16 oz. shrimp, follow same instructions as 8 oz. shrimp, working in batches if necessary.
If using scallops, follow same instructions as shrimp in Steps 2 and 3, cooking until scallops reach minimum internal temperature, 1-2 minutes per side.
If using salmon, pat dry and season flesh side with a pinch of salt and pepper. Follow same instructions as shrimp in Step 3 until salmon reaches minimum internal temperature, 4-6 minutes. Serve on the side.
If using chicken breasts, pat dry and cut into 1" dice. Season all over with a pinch of salt and pepper. Follow same instructions as shrimp in Steps 3, stirring occasionally, until chicken reaches minimum internal temperature, 5-7 minutes.