01 - Set oven to 400°F and line a baking tray with parchment paper or foil.
02 - Combine olive oil, lemon zest, lemon juice, minced garlic, salt, and black pepper in a small bowl.
03 - Place salmon fillets on the prepared tray and brush each evenly with the olive oil mixture.
04 - Bake for 12 to 15 minutes until the salmon is opaque and flakes easily with a fork.
05 - In a medium bowl, gently toss together diced mango, red bell pepper, red onion, jalapeño if using, cilantro, lime juice, and salt.
06 - Transfer salmon to serving plates, top with mango salsa, and garnish with extra cilantro and lime wedges if desired. Serve immediately.