Season the fish lightly with salt and pepper. Drizzle with lemon juice. Combine the milk and beaten egg. Heat the peanut oil to medium high heat in a large cast iron skillet or frying pan. Dredge the fish in  flour, then fry until golden brown, about 4 to 5 minutes. Turn and cook the other side. Drain on paper towels and serve immediately. Makes 6 servings