Roasted Salmon with Seared Citrus Salsa

Heat cast iron skillet or grill pan over medium-high. Brush flesh of orange, lime, and pepper with oil. Once pan is hot, place orange and lime in pan, cut sides down. Gently press down on fruit with spatula. Cook until flesh begins to char, approximately 2 to 3 minutes, then remove lime and flip oranges to char the other cut side. Add pepper to pan and heat until blistered in a few places.