Oven-Baked Fish Delicacy

Ingredients

• 4 (6 oz or 170 g) fillets of fish (such as salmon, cod, or tilapia)
• 2 tablespoons (30 ml) olive oil
• 1 teaspoon (5 g) kosher salt
• ½ teaspoon (2 g) black pepper
• 1 teaspoon (2 g) garlic powder
• 1 teaspoon (2 g) dried parsley or fresh parsley, chopped
• 1 lemon, sliced
• 4 tablespoons (60 g) unsalted butter
• 2 tablespoons (30 ml) fresh lemon juice
• 1 teaspoon (5 g) fresh dill (or ½ teaspoon dried dill)
• Zest of 1 lemon