Mix together red and green cabbage, mayonnaise, and fresh cilantro
Add fresh lime juice, mango, and jalapeños to the cabbage mixture
Season with salt and pepper and mix well
Coat cod with oil and season with garlic powder, onion powder, salt, pepper, ground cumin, and paprika
Place seasoned fish on a parchment paper-lined baking tray
Bake at 400-425°F for 10-15 minutes depending on thickness
Blend sour cream, avocado, jalapeño, garlic clove, cilantro, and lime juice until smooth
Season sauce with salt and pepper
Assemble tacos by adding slaw and fish to tortillas
Top with avocado sauce and garnish with fresh lime
