01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or lightly grease with nonstick spray.
02 - Pat salmon fillets dry with paper towels and arrange on prepared baking sheet. Drizzle evenly with olive oil, then season with kosher salt, black pepper, and smoked paprika.
03 - Bake for 15 to 18 minutes until salmon flakes easily with a fork and center is opaque. Do not overcook.
04 - While salmon bakes, combine diced tomatoes, red onion, jalapeño, cilantro, lime juice, and sea salt in a medium bowl. Mix gently and let stand at room temperature to develop flavors.
05 - Transfer baked salmon fillets to serving plates. Top each fillet with generous portion of salsa fresca.
06 - Garnish plates with lime wedges and additional cilantro. Serve immediately.