Heat a skillet over medium-high heat. Lightly spray the skillet with nonstick spray.
Rinse the salmon and pat it dry. Season with ½ teaspoon garlic powder, ¼ teaspoon ground black pepper and a pinch of salt.
Cook the salmon skin-side down for about four minutes. Leave it alone and don't move it too much, you'll want to get a nice sear on the bottom.
Flip the salmon over and sear it for another 4 minutes. The salmon is done when a thermometer registers an internal temperature of 145 °F
Whisk together the aioli ingredients in a small bowl and spoon over top of the salmon.