Preheat oven to 400°F (200°C). Line a baking sheet with aluminum foil.
STEP 2
Place salmon on the baking sheet and fold edges of aluminum foil up over the salmon and crimp to seal.
STEP 3
Bake in the preheated oven until cooked through and flesh flakes easily with a fork, about 15 minutes.
STEP 4
Mix avocado oil, curry powder, and salt together in a small bowl. Pour over salmon. Scatter diced mango, red onion, and serrano pepper over salmon. Serve garnished with cilantro and a squeeze of lime.