Heat the olive oil in a large skillet over medium-high heat. Season the halibut with salt and pepper.
Add the halibut to the skillet and cook until golden brown and just cooked through, about 3 minutes per side. Transfer the halibut to a plate and set aside.
Reduce the heat to medium-low and add the garlic to the skillet. Cook, stirring constantly, until fragrant, about 1 minute.
Add the white wine and bring to a simmer. Cook until the liquid is reduced by half, about 2 minutes.
Stir in the butter and lemon juice and cook until the butter is melted and the sauce is thickened, about 2 minutes.
Return the halibut to the skillet and turn to coat with the sauce. Cook until heated through, about 1 minute.
Transfer the halibut to a platter and spoon the sauce over the top. Sprinkle with the parsley and serve.
Interesting Facts
Halibut is a type of flatfish, and is one of the largest species of flatfish in the world.
Halibut is a great source of protein and Omega-3 fatty acids.
Garlic is a great source of antioxidants and is said to have anti-inflammatory properties.