Tacos estilo Baja con salsa de chipotle
tilapia fillets • vegetable oil (about 1 liter) • all-purpose flour (about 120 grams) • egg yolks and 3 egg whites • beer • Black pepper, kosher salt, paprika, • baking powder (such as Royal) • tomatoes (about 1/2 kilo) • small red onion, diced • serrano pepper • small bunch parsley • small head green cabbage or regular cabbage •