Preheat the oven to 400 degrees and line a baking sheet with foil. Spray with cooking spray.
Place the shrimp in a single layer on the baking sheet. Drizzle with a small amount of olive oil and sprinkle both sides with the blackening seasoning.
Bake for 3-5 minutes until the shrimp turn pink and start to curl. Do not overcook.
While the shrimp are baking prepare the mango salsa.
Spoon the shrimp into the lettuce and top with the mango salsa. Serve immediately.
Notes
Get the recipe for my fresh mango salsa HERE! The recipe includes a video with my favorite way to peel a mango.