Cook fish fillets according to package directions.
Place your slaw in a small mixing bowl, add in peanuts if using.
Combine dressing ingredients in a mason jar and shake vigorously until emulsified. Taste and adjust for sweetness and heat) Just before serving, toss slaw & with the dressing, allow it to sit for 5 minutes.
In another small bowl, mix mayonnaise and Sriracha, stir until fully mixed. Taste and adjust to your heat preference.
You can choose to briefly heat your tortillas just before assembling the tacos via a hot pan or comal or use them straight from the bag, either work.
Assemble Crispy Fish Tacos by placing some slaw into the center of each tortilla, topping that with a whole (or sliced) piece of fish, top that with a little more slaw and then some of the Sriracha mayo. Fold it up and enjoy immediately! Go ahead and do a little wiggle in your chair if you want to while you eat, I won't judge!!