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Beer Battered Catfish + Tartar Sauce

Beer battered fish is a classic found in pubs and restaurants all around the world! While the beer batter recipe ensures an incredibly crispy coating, the fresh homemade tartar sauce lightens up this pub-style fare! Use catfish like we did or substitute it with your favorite white fish!

The lakes of the Ozark mountains, our home for the summer, are a popular spot for fishing — especially for catfish! And I decided the abundant supply of local catfish provided the perfect opportunity to try making pub-style beer battered fish at home! Although the catfish in this recipe can be replaced with any type of white fish, I highly recommend using this beer batter recipe — it produces an exceptionally light and crunchy exterior!

beer battered fish and tartar sauce

beer batter

I love crispy textures in my food, which is why I wanted to get as much crunch out of the batter as I could! Beer batter is one of the most popular types of batter specifically for that reason! There are a few different theories about why beer improves the texture. Some claim that carbonation plays a hand. Others point to the foaming agents contained in the beer. Sometimes an argument is made that alcohol evaporates faster than water and that gives the beer batter more bubbles. Although I cannot say I was convinced by one particular theory, I do agree that batter with the addition of beer results in the ultimate crunch!

But I don’t rely solely on beer to provide the effect I’m looking for. In my search for a combination that would give me the desired crunch I tried a few different ingredients. While some use eggs in their batter, I found that it produces a heavier and doughier texture. I get the best results when using a mixture of cornstarch and baking powder. Cornstarch is known to make food crunchier, although it also produces a harder crust. This is where the baking powder comes in — when it hits hot oil it produces a lot of bubbles that expand the crust, making it light and airy!

torn apart beer battered fish

frying battered fish

Deep frying battered fish is easy! I start by cutting the fish fillets into long pieces about 4 x 1.5 inches (10 x 4 cm). Then I pick a saucepan that’s just large enough to fry several pieces at once — frying more than that can lower the temperature of the oil too much. I usually pour about an inch (2.5 cm) of oil, which is usually enough for the fish to float — although the crust will increase considerably with baking powder in the batter! Finally, after frying the fish I place it on a wire rack to drip off any excess oil without getting soggy.

czech style tartar sauce for beer battered fish

tartar sauce

Beer battered fish and tartar sauce are one of the most popular pairings here in the US. Tartar sauce, with its light and fresh flavor, contrasts nicely with the salty and savory fish. Below I’ve shared one of my favorite Czech-style tartar sauces, which includes just mayo, onion and pickles!

pub style beer battered fish
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pub style beer battered fish

Beer Battered Catfish + Tartar Sauce

  • Author: Viktor Kapustin
  • Total Time: 40 minutes
  • Yield: 4
    • Prep Time: 10 minutes
    • Cook Time: 30 minutes
    • Category: Dinner
    • Method: Frying
    • Cuisine: English


Beer Battered Catfish

  • 1 pound (450 grams) catfish (or any other white fish)
  • ⅓ cup (40 grams) all purpose flour
  • ½ teaspoon baking powder
  • 2 ½ tablespoons cornstarch
  • ½ teaspoon kosher salt
  • ½ teaspoon garlic powder
  • ½ cup (120 ml) light beer


  • ¼ cup (30 grams) all purpose flour
  • vegetable oil for frying

Tartar Sauce

  • ½ cup (120 grams) mayonnaise
  • ½ (60 grams) yellow onion, finely diced
  • 1 medium (40 grams) pickle, finely diced
  • 3 teaspoons pickle juice
  • pepper to taste
  • parsley, chopped (optional)


  1. First make the tartar sauce. Mix the mayonnaise with the diced onion and pickle. Add pickle juice one spoon at a time until you reach your desired saltiness. Season with pepper and sprinkle with chopped parsley (optional). Store in the refrigerator.
  2. Prepare the fish. Cut it into pieces of approximately 4 x 1.5 inches (10 x 4 cm).
  3. Mix together flour, baking powder, cornstarch, garlic powder and salt in a bowl. Add the beer and mix thoroughly.
  4. Prepare a baking pan with a wire rack on top to cool the fish and catch any excess oil. Prepare a plate with ¼ cup of flour.
  5. Heat up about an inch (2.5 cm) of oil in a small pan. If using a thermometer, the oil should be at about 350-370 F (180 C). Alternatively drop a pinch of flour into the oil – it is ready for frying if it starts to bubble.
  6. When the oil is hot, dredge one piece of fish at a time in flour, dip it in batter and place in oil. Fry for 2-3 minutes on each side or until golden. When done, allow the fish to cool on the prepared wire rack. Fry no more than 2-3 pieces at once or the temperature of the oil will drop.

Keywords: beer battered catfish

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