01 - Preheat oven to 400°F and lightly grease a baking dish large enough to fit fillets in a single layer.
02 - Pat halibut fillets dry with paper towels and place them in the prepared baking dish.
03 - In a small bowl, whisk olive oil, lemon juice, lemon zest, minced garlic, salt, black pepper, and thyme until combined.
04 - Brush the marinade evenly over all sides of the halibut fillets.
05 - Bake for 12 to 15 minutes until the fish flakes easily with a fork and is opaque throughout.
06 - Remove from oven, sprinkle with chopped parsley, and serve with lemon wedges.