Frozen Fish Fillets in the Air Fryer
Frozen fish fillets in the air fryer come out crispier than from the oven, and they are ready in about 12 minutes without thawing or extra oil. The hot air dries the breading while the fish steams inside. This page explains how to cook air fryer frozen fish fillets, breaded or battered, plus unbreaded ones, with the temperature to aim for.
- Temperature
- 400°F200 °C
- Total time
- 15min
- Prep time
- 3min
- Servings
- 2
- Internal temp
- 165°F74 °C
- Per serving
- 400kcal
Why the air fryer works for frozen fish fillets
Frozen breaded fish fillets are made to be cooked from frozen, and the air fryer is the best home tool for that job. The coating is mostly dry crumb, and moving hot air dries and toasts it in a way a baking sheet cannot, so you get a crisp surface on both sides instead of a soft bottom. The fish inside steams in its own moisture and stays flaky.
A fillet that is already cooked at the factory only needs to be heated through, which is why the safe temperature is 165 °F. Frozen fillets of different brands vary in thickness and coating, so the package time is a good starting point, and a thermometer settles the question. For raw fish, see cod in the air fryer.
How to cook frozen fish fillets in the air fryer
Tap a time to start a timer.
- Preheat Heat the air fryer to 400 °F for . A hot basket crisps the underside of the coating right away.
- Load the basket Place the frozen fillets in a single layer with a little space between them. Do not thaw them first, and do not stack them. Work in two rounds in a small 3–4 qt machine.
- Spray Lightly mist the tops with oil from a pump spray bottle. Even a short mist helps the breading brown, especially on fillets with a pale crumb.
- Cook Cook for , flipping after . Large fillets of 5 oz or more need .
- Check The coating should be deep golden and the fish steaming hot. An instant-read thermometer in the thickest part should read 165 °F, which is the safe temperature for fully cooked frozen fish that is only being reheated.
- Make the sauce While the fish cooks, stir the mayonnaise, relish and lemon juice together. Serve the fillets with the sauce and lemon wedges.
Times and temperatures
| Frozen Fish Fillets | Temperature | Time |
|---|---|---|
| Breaded fillets, 4 ozFlip after 6 min | 400 °F (200 °C) | 10–12 min |
| Large fillets, 5–6 oz | 400 °F (200 °C) | 12–14 min |
| Battered filletsPre-fried only | 400 °F (200 °C) | 12–14 min |
| Unbreaded frozen filletsOil and season first | 400 °F (200 °C) | 10–12 min |
Times are a guide and depend on the size and wattage of your air fryer. Done at 165 °F (74 °C) in the center. See also air fryer cooking times for all foods.
Read also: Frozen foods in the air fryer – times from frozen
Tips
- Cook from frozen. Do not thaw the fillets, because the coating turns soft and slides off.
- Use a light spray. A thin mist of oil is enough, and too much makes the crumbs greasy.
- Look at the package. Fillets labeled "oven ready" or "pre-fried" are the best fit. Raw battered fish with wet batter should not go in the air fryer, because the batter runs through the basket.
What to serve with fish fillets
Fish fillets are best with classic fish-fry sides, french fries or potato wedges, coleslaw and tartar sauce. They also work in a sandwich on a toasted bun with lettuce and pickles. For kids, try the smaller fish sticks.
Storing and reheating
Leftover fillets keep for 2 days in a sealed container in the refrigerator. Reheat them in the air fryer at 350 °F for 4–5 minutes, until the center reaches 165 °F and the crust is crisp again. Do not use the microwave, which makes the coating soft.
Variations
- Fish sandwich: Serve the hot fillet on a toasted bun with tartar sauce, lettuce and a slice of American cheese.
- Fish tacos: Break the fillets into chunks and serve them in warm tortillas with slaw and lime.
- Seasoned crumb: Sprinkle a pinch of Old Bay or garlic powder on the tops after spraying.
- Catfish: For a dedicated recipe, see air fryer catfish.
- Haddock: For a dedicated recipe, see air fryer haddock.
- Fish Tacos: For a dedicated recipe, see air fryer fish tacos.
- Hush Puppies: For a dedicated recipe, see air fryer hush puppies.
If it does not turn out right
- The breading is soggy
- The basket was crowded or the fish steamed. Cook in a single layer, spray lightly and flip halfway so both sides meet the hot air.
- The coating blew off in the basket
- Light crumbs can lift in strong airflow. Spray the tops lightly so the crumbs stay put, and never use loose parchment or foil in the basket.
- The outside is dark but the center is cold
- The fillets are thick. Lower the heat to 375 °F and add 2–3 minutes, then check the center.
Questions and answers
How long do you cook frozen fish fillets in the air fryer?
10–12 minutes at 400 °F for breaded fillets, flipped halfway. Battered fillets take 12–14 minutes, and unbreaded frozen fillets take 10–12 minutes with oil and seasoning.
Do I need to thaw them first?
No. Frozen fillets cook best straight from the freezer. Thawed breaded fish becomes soft and the coating slips off.
What temperature do I cook frozen fish fillets in the air fryer?
400 °F for most breaded fillets, or 380 °F if the package says to cook at a lower temperature. Check the package for the exact time and use it as a guide.
Can you cook frozen fish fillets without breading?
Yes. Brush plain frozen fillets with oil, season them and cook at 400 °F for 10–12 minutes until they flake and reach 165 °F.
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