Ingredients 2 lbs your favorite white fish: tilapia, haddock, flounder 4 large russett potatoes Kosher salt Rosemary 2 C flour 1 Tbsp. baking powder 1 tsp. kosher salt 1 tsp. Old Bay seasoning A dash of cayenne pepper 1 bottle of dark beer, cold Oil for frying Cornstarch for dredging   Directions Preheat the oven to 200 degrees. Heat the…