Heat oil to 350°F (175°C) in a deep fryer or large pot
Fry potato chips until golden and crispy, set aside
Mix flour, baking powder, salt, and pepper
Whisk in cold beer until smooth (batter should be thick)
Pat fish dry and season lightly with salt
Dip fish in batter, letting excess drip off
Fry fish for 4-5 minutes until golden brown and crispy
Drain on paper towels and serve immediately with chips and vinegar
Flaky cod baked with tomatoes, olives, and herbs
Crispy beer-battered fish tacos with cabbage slaw and crema
Tomato-based fish stew from San Francisco's Italian fishermen