Blackened Mahi Mahi Tacos - Simple and Delicious!

This simple dinner was loved by my entire family, including the picky eaters. Under 20 minutes, including prep and cooking. 
Ingredient list and instructions:
mahi-mahi with any blackened or Cajun seasoning.  Heat skillet to medium high temperature with oil and add butter as needed. Cook on each side for 3 minutes.
Coleslaw: Sliced red cabbage with red onions plus a few dashes of apple cider vinegar and honey.
Sauce: 2/3 part mayonnaise 1/3 Sriracha plus lime juice.
cilantro
Sliced jalapeños
corn tortillas
Lime juice
Queso fresco cheese