Ireland By Food Enthusiasts · 6 min read

National Dish Ireland: Battered Cod with Tartar Sauce (Recipe)

Golden battered cod fillet with tartar sauce and chips

In this article

Few dishes capture the spirit of an Irish pub quite like Battered Cod with Tartar Sauce. Tender white fish is wrapped in a light, crisp batter and fried until golden, then paired with a tangy, herb-flecked sauce that cuts through every mouthful. It is honest, satisfying food — the sort of plate you would happily order on a blustery evening with a pint close to hand. Best of all, it is well within reach of any home cook willing to heat a little oil.

About Battered Cod with Tartar Sauce

Battered Cod with Tartar Sauce is both a much-loved favourite and a genuine cornerstone of Ireland’s culinary tradition. The pairing of tender, crispy cod with an aromatic tartar sauce makes it a real treat for the palate. It is frequently served in pubs and restaurants and is regarded as the very essence of Irish cooking. Diners prize the harmonious flavours and the pleasing texture that come through with every bite.

Ingredients (serves 1–2)

300 g cod fillet
100 g plain flour
1 egg
200 ml sparkling water
1 teaspoon baking powder
Salt and pepper, to taste
Vegetable oil, for frying
For the tartar sauce:
3 tablespoons mayonnaise
1 tablespoon chopped gherkins
1 teaspoon lemon juice
1 teaspoon fresh parsley, chopped

Shopping for the ingredients

When shopping for the ingredients for Battered Cod with Tartar Sauce, take care to choose fresh cod. Make sure the fish fillet not only looks fresh but also smells fresh and clean. Many supermarkets also stock frozen cod, which can be a good alternative when it has been stored correctly. Don’t forget to pick up the ingredients for the tartar sauce as well, so you can round the dish off perfectly.

Preparing the dish

Preparing a delicious Battered Cod with Tartar Sauce begins with getting both the fish and the sauce ready. First, rinse the cod fillet thoroughly and then pat it dry. For the tartar sauce, finely chop the gherkins and prepare the fresh herbs. This ensures that the flavours of the sauce are bright and intense by the time you are ready to cook the dish.

Step-by-step instructions

In a bowl, combine the flour, baking powder, salt and pepper.
Add the egg and gradually pour in the sparkling water, whisking until you have a smooth batter.
Heat the oil in a deep pan over a medium heat.
Dip the cod fillet into the batter, then carefully lower it into the hot oil.
Fry the fish for about 4–5 minutes, until golden brown and crisp.
Lift the fish out of the pan and let it drain on kitchen paper.
For the tartar sauce, combine all the ingredients in a bowl and stir well.
Serve the cod hot with chips and the tartar sauce alongside.

Gluten-free / lactose-free version

For a gluten-free version of Battered Cod with Tartar Sauce, you can use gluten-free flour or an alternative coating such as cornflour. Make sure all the other ingredients are gluten-free too. For the tartar sauce, using lactose-free mayonnaise is a great way to make the dish accessible to anyone with a lactose intolerance as well. That way, everyone can still enjoy it.

Tips for vegans and vegetarians

Although Battered Cod with Tartar Sauce is a fish dish, you can also create a vegan version. Use soy or seitan fillets, dipping them in the batter and frying them in the same way. For the tartar sauce, simply swap in plant-based mayonnaise. Be sure to use plant-based ingredients such as gherkins and fresh herbs to deepen the flavour and improve the texture. For more meat-free inspiration, try Vegetable Boxty.

More tips and tricks

One key tip for the perfect Battered Cod with Tartar Sauce is to let the oil get hot enough before you add the fish. If the oil is not hot enough, the batter will not turn out nicely crisp. Take care not to overload the pan, as this can drop the temperature of the oil. Be patient while frying, too, to achieve the very best results.

Adapting the recipe to your taste

The recipe for Battered Cod with Tartar Sauce offers plenty of room to make it your own. You can vary the seasoning of the batter by adding paprika or garlic powder, for instance, to give the dish a distinctive note. The tartar sauce can be adjusted to taste as well. Stir in extra ingredients such as capers or onions to ring the changes on the flavours.

Ingredient substitutions

If you don’t have fresh gherkins for the tartar sauce, you can use pickled gherkins instead for a slightly different taste. In place of cod, another white fish such as haddock or halibut works just as well. Experiment with different flours to vary the texture and flavour of the batter. In this way you can shape Battered Cod with Tartar Sauce to suit your own personal preferences, much as you might tweak a hearty Fish and Potato Chowder.

Drink pairing ideas

A delicious plate of Battered Cod with Tartar Sauce goes beautifully with a light beer or a crisp white wine. A classic Irish stout such as Guinness makes the ideal companion to the crisp texture of the fish. Alternatively, you could serve a refreshing cider, which rounds off the flavour of the dish wonderfully. Experiment with different drinks to make your meal even more enjoyable.

Serving and presentation ideas

The presentation of Battered Cod with Tartar Sauce can lift the whole experience considerably. Serve the fish on a rustic wooden board or an elegant plate to create an appealing contrast with the crisp texture of the dish. Garnish with fresh herbs and lemon wedges to add a splash of colour and an extra burst of aroma. Be sure to arrange the chips neatly to make the most of the visual appeal.

A bit of history

The story of Battered Cod with Tartar Sauce stretches back to the 19th century, when sailors and labourers across Britain and Ireland began frying fish. This method of cooking quickly grew popular and has endured to this day. Tartar sauce takes its name from the Tartars and brings a creamy, piquant element to the plate. The combination of fresh fish and a crisp batter speaks not only of Irish skill in the kitchen but also of the wider culinary heritage of the British Isles — a heritage you can explore further through Irish cuisine.

More recipe ideas

Summary: Battered Cod with Tartar Sauce

In this round-up of Battered Cod with Tartar Sauce, we have looked at the best tips, the steps for preparing it, and alternative versions to suit different dietary needs. This dish is not only simple to make but also promises an unforgettable taste experience. Whether served as a hearty supper or a sociable feast, this Irish classic delights everyone at the table. Let the flavours of Ireland work their magic and enjoy every last bite.