Preheat oil to 375°F in countertop deep fryer or in 2 1/2 to 3 inches of oil in a large deep pot. Season fish with salt and pepper, and dredge lightly in Wondra. In large mixing bowl, whisk up batter of beer, flour, Old Bay, baking powder and egg. When oil is hot, dip fish 2 pieces at a time in batter and fry 4-5 minutes to deep golden.
Serve with Tartar Sauce.