01 - Preheat oven to 400°F. Lightly grease a baking dish large enough to accommodate the fillets in a single layer.
02 - Pat the tilapia fillets dry with paper towels and arrange them in the prepared baking dish.
03 - In a small bowl, combine melted butter, minced garlic, parsley, lemon juice, lemon zest, salt, and black pepper.
04 - Pour the lemon garlic butter mixture evenly over the tilapia fillets.
05 - Bake for 12 to 15 minutes, or until the fish is opaque and flakes easily with a fork.
06 - Broil for 1 to 2 minutes for a golden top, watching carefully to prevent burning.
07 - Garnish with lemon slices and additional parsley before serving.