Pat the cod strips dry with paper towels before you do anything else. Wet fish steams instead of browning, and a dry surface is what lets the breading actually crisp up in the air fryer.

Cut the fillets into strips about 0.75in thick so they cook evenly and hold together when you bite into the taco. Set up a simple breading station: flour mixed with the chili powder, cumin, garlic powder, salt, and pepper in one shallow dish, the beaten egg in a second dish, and the panko in a third.

Dredge each strip in the seasoned flour, shake off the excess, dip in egg, then press into the panko so it's coated on all sides. Lay the breaded strips on a plate and drizzle or spritz with the olive oil, this small amount of oil is what browns the panko without deep frying.

Air fryer: 400°F, 10 to 12 minutes, flipping halfway.

Preheat the air fryer for a few minutes if your model allows it. Arrange the fish strips in a single layer in the basket with space between them, working in two batches if needed. Crowding traps steam and the coating turns soft instead of crisp.

Cook at 400°F for 5 to 6 minutes, then flip each strip gently with tongs and cook another 5 to 6 minutes, until the panko is golden and the fish flakes easily. Check with a food thermometer: fish is safe to eat at 145°F. If a piece is thick, add a minute or two rather than guessing.

While the fish cooks, toss the shredded cabbage with the lime juice and a pinch of salt for a quick slaw. Stir the sour cream with a little more lime juice if you want a thinner crema to drizzle.

Warm the tortillas briefly in the air fryer basket for the last minute of cooking, or in a dry skillet, just until pliable. Build each taco with a tortilla, a handful of slaw, a couple of pieces of fish, avocado slices, cilantro, and a drizzle of the lime crema.

Tips

  • Press the panko onto the fish firmly so it doesn't shed in the basket during the flip.
  • If the strips look dry after breading, a light second spray of oil before cooking helps them brown evenly.
  • Air fryer baskets vary in size and power, so start checking for doneness a couple of minutes before the timer ends on your first try with a new machine.
  • Parchment liners cut for air fryer baskets make cleanup easier, but keep the fish off the very edge so hot air still circulates underneath.

FAQ

Can I use a different fish? Yes. Any firm white fish like tilapia, mahi mahi, or halibut works the same way. Adjust cook time slightly for thickness and always confirm 145°F with a thermometer before serving.

Do I need to flip the fish? Flipping halfway helps both sides brown evenly since the air fryer's heating element is usually on top. Skipping it can leave the bottom pale and slightly soft.

Can I make these gluten-free? Swap the flour and panko for a gluten-free flour blend and gluten-free breadcrumbs, and check that your tortillas are certified gluten-free corn tortillas.

Why is my coating falling off? Usually the fish wasn't dry enough before breading, or the strips were flipped too roughly. Pat the fish thoroughly and use tongs gently when turning.

Can I prep the fish ahead? You can bread the strips and refrigerate them on a plate for a few hours before cooking, but air fry them fresh rather than reheating already-cooked fish, since the coating loses its crunch.