HEAT oven to 350° F. Drizzle Catfish fillets with olive oil, and season with salt, pepper and garlic.
PREPARE filling; combine one beaten egg with sausage, Mozzarella and sun-dried tomatoes.
MAKE egg wash by mixing 2 beaten eggs with milk; set aside. Mix panko with salt, pepper and dry Italian seasoning.
PLACE the fillets top side down on cutting board. Top 2 of the fillets with filling; place other fillets on top. Carefully DIP fillets in egg wash then panko mix.
HEAT oil over medium-high heat, pan-fry until golden brown, flip and place on cookie sheet, and bake for 15 minutes.