Preheat the oven to 400 degrees F (200 degrees C).
Combine the Broccoli Slaw (2 cup), Mayonnaise (1/4 cup), Granulated Sugar (1 teaspoon), juice of 1/2 of the Lime (1), Hot Sauce (1/2 tablespoon), and Mirin (1 tablespoon) together in a bowl with Salt and Pepper (to taste).
Season the Salt and Pepper (to taste) with Cod Fillet (1 pound) and put it on a sheet tray. Cook in the oven for 5-10 minutes depending on thickness.
Slice the Jalapeño Pepper (1) and Avocado (1). It's up to you if you want the jalapeno with or without seeds.
Assemble the tacos topping the Sriracha (to taste) with cod, sliced jalapeno, slaw, sliced avocado, Flour Tortilla (6), Fresh Cilantro (to taste), and a squeeze of the remaining lime juice.