Summary: Frozen cod is the most affordable and accessible option, but it requires specific tricks to turn out well. Here's how to thaw it correctly, the 6 best recipes adapted for frozen cod, and an honest comparison with desalted salted cod.
At Bacalalo, we have been selecting every piece of cod at Mercat del Ninot since 1990.
Contents
Frozen cod is not worse cod. It's poorly thawed cod. 80% of complaints (mushy texture, watery taste, falls apart when cooked) come from the thawing step, not the product itself.
In this guide: how to thaw correctly according to the cut (loin, flakes, battered), 6 recipes specifically designed for frozen cod with adjusted cooking times, what to do if you're in a hurry and need to cook it almost without thawing, and the difference between fresh frozen cod and salted frozen cod — because they are not cooked the same way.
Before the first recipe, the thawing method that always works and the two that ruin the texture.
Frozen Cod vs. Salted Cod
Let's be honest: frozen cod and desalted salted cod are different products. Both are cod (Gadus morhua), but the preservation process radically changes the culinary result.
| Characteristic | Frozen Cod | Desalted Salted Cod |
|---|---|---|
| Texture | Softer, can release water | More gelatinous, firm, dense |
| Flavor | More neutral, mild | More intense, cured flavor |
| Gelatin | Less gelatin | More gelatin (key for sauces) |
| Price | €8-15/kg | €18-45/kg depending on cut |
| Preparation | Thaw (8-12h in fridge) | Ready to cook |
| Best Recipes | Baked, in sauce, stewed, battered | Pil pil, confit, pan-seared, green sauce |
Frozen cod works well in recipes with a strong sauce that compensates for its more neutral flavor. For recipes where cod is the main star without much else (pil pil, pan-seared), desalted salted cod is far superior.
How to Thaw Cod Correctly
Thawing is the most important step. If done incorrectly, the cod releases water and becomes dry and fibrous.
Correct Method: In the Fridge
- Take the cod out of the freezer the night before (8-12 hours in advance).
- Place it in a deep dish covered with cling film or in a sealed container.
- Allow it to thaw slowly in the refrigerator.
- Before cooking: remove from the container, dry VERY well with paper towels (several times). Excess water is the enemy.
Emergency Method: Under Cold Water
If you forgot to take it out: place it in its sealed packaging under cold running water for 30-60 minutes. Never use hot water (it cooks the outside while the inside remains frozen).
What You Should NEVER Do
- Thaw at room temperature: risk of bacteria on the outer surface while the inside remains frozen.
- Thaw in the microwave: cooks parts of the fish unevenly.
- Cook directly from frozen: the outside cooks, the inside remains raw and releases water.
6 Recipes That Work with Frozen Cod
1. Baked Frozen Cod with Potatoes
The easiest and most rewarding recipe. The oven sauce compensates for possible dryness.
- Thaw and dry very well. Season with salt and pepper.
- Layer thinly sliced potatoes + onion + bell pepper in a baking dish. Drizzle generously with oil.
- Bake vegetables for 15 min at 200°C (390°F). Place the cod on top.
- Drizzle with white wine. Bake for another 15-18 minutes.
2. Frozen Cod in Tomato Sauce
Tomato sauce provides the moisture and flavor that frozen cod needs.
- Prepare a sofrito of onion + garlic + grated fresh tomato (20 min).
- Place the thawed and dried cod loins over the sauce.
- Cover and cook over low heat for 12-15 minutes.
3. Battered Frozen Cod
Battering protects the fish from heat and locks in moisture. See full battering technique.
- Thaw, dry well, cut into pieces. Season with salt and pepper.
- Dredge in flour, then in beaten egg (or beer batter).
- Fry in oil at 180°C (350°F) for 3-4 minutes per side.
4. Gratinated Frozen Cod
The gratin topping (béchamel, aioli, or cheese) seals in moisture. See 4 gratin cod recipes.
5. Frozen Cod with Chickpeas (Stew)
In a long stew, frozen cod integrates well because it absorbs the flavors of the broth. See stew recipe. Add the cod in the last 12 minutes.
6. Frozen Cod in Air Fryer
The air fryer quickly sears the outside, which helps retain internal moisture. See air fryer cod recipes. The trick: obsessively dry the cod before putting it in the air fryer.
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Refrigerated shipping 24-48h throughout the Peninsula
Recipes Where NOT to Use Frozen Cod
These recipes require the gelatin and texture of desalted salted cod. With frozen cod, they simply don't work as well:
- Bacalao al pil pil: needs the gelatin from salted cod to emulsify the sauce.
- Confit cod: frozen cod does not have the necessary density.
- Pan-seared cod (alone): without sauce, frozen cod tastes bland.
- Cod with onions: works, but the result is far inferior to desalted cod.
For these recipes, it's worth investing in quality desalted salted cod.
What if you skip thawing? Desalted cod ready to cook
Desalted Gadus morhua loins from Iceland — boneless, ready in 5 minutes.
Desalted Loins 500g — 21,45€
⭐ 4.9/5 · Cold shipping 24-48h · Since 1990
Frequently Asked Questions
Is frozen cod healthy?
Yes, nutritionally it's almost identical to fresh cod: high in protein, low in fat, rich in omega-3s and B vitamins. Freezing preserves nutrients well.
How long can I keep cod in the freezer?
If properly packaged (without air), up to 6 months without significant loss of quality. Beyond 6 months, it starts to lose texture and flavor (freezer burn).
Can cod be refrozen?
It is not recommended. Each freezing-thawing cycle breaks down more muscle fibers, worsening the texture. If you thawed too much, cook it all and then freeze it cooked.
Does desalted cod from online stores arrive frozen?
Our premium desalted cod travels in a cold chain (refrigerated, not frozen). It stays fresh during shipping and arrives ready to cook or to freeze yourself if you prefer.
Related Guides
If you want to taste the real difference, order our premium desalted cod from Iceland and compare it to frozen. The difference in flavor and texture speaks for itself.
