1: Take the ripe mango, cut it in half, and score the flesh in a grid pattern.
2: Press the skin to open the mango and cut out the squares of fruit.
3: Place the mango squares in a bowl with mixed salad, and dress with oil, salt, pepper, and juice and zest of one lime.
4: Thinly slice the remaining lime and add to the salad.
5: Fill all tacos with the dressed salad and mango, and top with smoked salmon evenly distributed across the 4 tacos.
