Air Fryer Costco Frozen Cod

Air Fryer Costco Frozen Cod

Cooking Costco frozen cod in the air fryer is a quick and healthy way to enjoy flaky, tender white fish with a lightly crisped edge—straight from the freezer. Whether you’re using plain cod fillets or lightly seasoned portions from Costco, the air fryer delivers perfect texture and flavor in less than 20 minutes.

Why You’ll Love This Recipe

Flaky, Moist Interior with Crisp Edges

The air fryer cooks cod evenly without drying it out, giving you delicate flakes and a golden exterior.

No Thawing Required

Cook directly from frozen with no prep, boiling, or baking necessary.

High-Protein, Low-Fat Meal

Cod is lean, nutritious, and pairs well with countless healthy sides.

Works With Plain or Seasoned Cod

Costco’s Kirkland Signature frozen cod, either plain or pre-seasoned, works perfectly.

Ingredients

• 1 or more Costco frozen cod fillets (plain or lightly seasoned)

• Optional:

  • Olive oil spray

  • Lemon wedges, garlic butter, or fresh herbs for serving

  • Salt, pepper, paprika, or seasoning blend if using plain fillets

Instructions

Step 1: Preheat the Air Fryer

Set your air fryer to 390°F (199°C) and preheat for 3–4 minutes for even cooking.

Step 2: Prepare the Cod

Remove cod from packaging. No need to thaw.(Optional) Lightly spray with oil and season both sides if the fillet is unseasoned.

Step 3: Air Fry to Perfection

Place cod in a single layer in the air fryer basket.

• Cook at 390°F for 14–17 minutes, depending on fillet thickness

• Flip carefully halfway through to ensure even browning

• Thin fillets may be done in as little as 12 minutes

Step 4: Check for Doneness

Cod is fully cooked when it flakes easily with a fork and reaches an internal temp of 145°F (63°C).

Step 5: Let Rest & Serve

Let cod rest for 1–2 minutes, then serve with lemon, herbs, or your favorite side.

Pro Tips for the Best Results

Use a Liner or Parchment (Optional)

Helps prevent delicate fish from sticking and keeps cleanup easy.

Avoid Overcooking

Cod is lean and cooks quickly—check doneness early to preserve moisture.

Add a Finish at the End

Top with garlic butter, lemon juice, or a drizzle of olive oil right before serving.

Flip with Care

Use a spatula and flip only once to avoid breaking the delicate fillet.

What to Serve With Costco Cod

Side Dishes

• Steamed or Roasted Veggies – Asparagus, broccoli, or green beans

• Rice, Quinoa, or Cauliflower Rice – Light and filling

• Garlic Mashed Potatoes or Sweet Potato Mash – Comfort food pairing

Toppings & Sauces

• Tartar Sauce or Lemon Aioli – Creamy and classic

• Chimichurri or Salsa Verde – Bold and herbaceous

• Lemon Dill Yogurt or Spicy Mayo – Fresh or spicy finish

Creative Serving Ideas

• Flake into Fish Tacos or Burrito Bowls

• Serve with a Mediterranean Salad and Hummus

• Top with Capers and Tomato for a Coastal Twist

Storage & Reheating Instructions

How to Store Leftovers

Cool completely and store in an airtight container in the fridge for up to 2 days.

How to Reheat in the Air Fryer

Reheat at 350°F (175°C) for 3–4 minutes until warm. Avoid overcooking to prevent dryness.

Can You Freeze After Cooking?

Yes—wrap tightly and freeze for up to 1 month. Reheat from frozen at 375°F for 6–8 minutes.

Frequently Asked Questions

Can I Cook Cod Straight from Frozen?

Yes—Costco frozen cod is designed to cook directly from frozen.

Do I Need to Add Oil?

Not required, but a light spray helps with browning and prevents sticking.

Should I Flip the Fillet?

Yes, but gently. Flip once halfway through to brown both sides evenly.

Best Air Fryer for Cooking Cod?

Both basket and oven-style air fryers work well. Use a fish spatula and avoid stacking.

Make Costco frozen cod in the air fryer for flaky, tender fillets in under 20 minutes. No thawing needed. Step-by-step instructions, pro tips, and serving ideas included.