If using shrimp, pat dry and season with a pinch of salt and pepper. Heat 1 tsp. olive oil in a large non-stick pan over medium-high heat. Add shrimp to hot pan and cook undisturbed until seared on one side, 2-3 minutes. Flip, and cook until shrimp reaches a minimum internal temperature of 145 degrees, 1-2 minutes..
If using salmon, pat dry and season flesh side with a pinch of salt and pepper. Place a medium non-stick pan over medium heat and add 2 tsp. olive oil. Add salmon, skin side up, to hot pan and sear until golden brown and salmon reaches a minimum internal temperature of 145 degrees, 4-6 minutes per side. Flake at the end.
If using roasted chicken breast, remove from packaging and microwave until warm, 1-2 minutes.