Crispy Fish Tacos

For the slaw and crema

• 3 cups shredded cabbage710 mL shredded cabbage
• ¼ cup fresh cilantro, chopped59 mL fresh cilantro, chopped
• 3 tbsp fresh lime juice divided3 tbsp (44 mL) fresh lime juice divided
• ¼ tsp kosher salt¼ tsp (1 mL) kosher salt
• ½ cup sour cream118 mL sour cream
• 2 tbsp mayonnaise2 tbsp (30 mL) mayonnaise

For the fish

• 1½ lb cod or other firm white fish680 g cod or other firm white fish
• 1 tsp chili powder1 tsp (5 mL) chili powder
• ½ tsp ground cumin½ tsp (2.5 mL) ground cumin
• ½ tsp smoked paprika½ tsp (2.5 mL) smoked paprika
• ¾ tsp kosher salt¾ tsp (3.5 mL) kosher salt
• 2 tbsp neutral oil2 tbsp (30 mL) neutral oil
• 8 corn tortillas
• 1 avocado, sliced (optional)