Gather fish fillets, tortillas, cabbage, lime, cilantro, onion, salsa, sour cream or crema, oil, salt, pepper, and spices
Pat the fish dry
Season the fish with salt, pepper, chili powder, cumin, garlic powder, and paprika
Heat oil in a skillet or preheat the oven
Cook the fish until opaque and flaky
Warm the tortillas
Shred the cabbage
Chop the onion and cilantro
Mix sour cream or crema with lime juice and salt
Break the cooked fish into pieces
Fill each tortilla with fish
Top with cabbage, onion, cilantro, salsa, and lime crema
Serve immediately