Prepare fish as per package instructions. Let cool slightly: cut into chunks. Drizzle with sauce.
Toss coleslaw blend with dressing; add mango, red pepper and green onions, tossing to coat well.
Divide mango slaw among tortillas and top with cod. Garnish with cilantro. Serve with lime wedges.
Add a seeded and diced jalapeño pepper to the coleslaw for a touch of spice.