3 batter fried fish rings Recipes

all-purpose flour, baking powder, salt, plus more for sprinkling on onion rings and fish, freshly ground black pepper, egg, half a 12-oz. bottle) medium-bodied ale (such as new belgium s fat tire), vegetable oil for frying, yellow onion, sliced into 1/2-in.-thick rings, skinless cod fillets, rinsed and cut into 2- by 4-in. pieces, lemon, sliced paper -thin, flat-leaf parsley sprigs, stems trimmed

melted butter, flour, baking powder, egg, club soda, lemon juice or 1 tbsp lime juice, salt and pepper