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Crispy Fish Batter Recipe

This Crispy Fish Batter Recipe creates perfectly golden, crunchy fish every time. Made with a blend of flour, cornstarch, and ice-cold sparkling water, this easy batter ensures light, airy, and irresistibly crisp results — just like your favorite restaurant fish and chips!
Prep Time 15 minutes
Cook Time 15 minutes
Course Main Course
Cuisine American
Servings 4
Calories 410 kcal

Ingredients
  

For the Batter:

  • 1 cup 125 g all-purpose flour
  • 1/3 cup 40 g cornstarch or rice flour
  • 1 tsp baking powder
  • 1 tsp fine sea salt
  • ½ tsp black pepper
  • 1 large egg
  • ¾ to 1 cup 180–240 ml ice-cold sparkling water or beer
  • 1 tbsp neutral oil optional, for added crispness
  • Zest of 1 lemon optional

For the Fish:

  • 1 to 1¼ lb 450–560 g white fish fillets (cod, haddock, pollock, or snapper), cut into 3–4 oz pieces
  • Salt and pepper to season
  • ½ cup 60 g flour or panko for dusting
  • Oil for frying vegetable, canola, or peanut oil

Instructions
 

Prepare the Fish:

  • Pat fish dry with paper towels and season lightly with salt and pepper. Cut into even pieces for uniform cooking.

Make the Batter:

  • In a bowl, whisk together flour, cornstarch, baking powder, salt, and pepper.
  • In another bowl, combine the egg with sparkling water (or beer) and oil.
  • Pour the wet mixture into the dry ingredients and whisk gently. Do not overmix; a few small lumps are fine. The batter should coat the back of a spoon but remain fluid.

Heat the Oil:

  • Pour oil into a deep pan or fryer to a depth of about 1½ inches. Heat to 350–375°F (175–190°C).

Coat and Fry:

  • Dust each fish piece lightly with flour or panko. Dip into the batter, allowing excess to drip off.
  • Carefully lower into hot oil and fry for 3–5 minutes per side until golden and crisp.
  • Remove with a slotted spoon and place on a wire rack to drain.

Serve:

  • Season immediately with a pinch of salt. Serve hot with lemon wedges, fries, and tartar sauce.

Notes

  • Keep batter cold — cold batter hitting hot oil ensures maximum crispness.
  • Don’t overcrowd the pan — this prevents oil temperature from dropping.
  • Reheating Tip: To re-crisp leftovers, bake at 375°F (190°C) for 10 minutes on a wire rack.
  • Variations: Use beer instead of sparkling water for deeper flavor; add spices like paprika or garlic powder for extra taste.
  • Storage: Store leftovers in the fridge for up to 2 days. Reheat in the oven for best texture.