Fish and crisps Recipe | Food Network UK

Ingredients

• 900g maris piper potatoes, scrubbed
• 420g plain flour
• 1 tbsp baking powder
• 2 tsp fine salt, plus more as needed
• Two 350ml bottles beer, lager-style preferred
• 900g center-cut cod fillet (scrod), trimmed and bones removed
• Vegetable oil for deep frying
• Freshly ground black pepper
• Malt vinegar
• For the tartar sauce
• 240g mayonnaise
• 1 1/2 tbsp chopped capers
• 1 tbsp finely chopped cornichons
• 1 tbsp finely chopped flat-leaf parsley
• 1/4 tsp finely chopped fresh tarragon
• 1/2 tsp freshly squeezed lemon juice
• 1/4 tsp finely grated lemon zest
• 2 to 3 drops hot sauce
• 1 small spring onion (white and green), minced