01 - Heat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease a baking dish.
02 - Pat the salmon fillets dry and arrange them on the prepared baking sheet. Brush evenly with olive oil and season generously with salt and freshly ground black pepper.
03 - Place the salmon in the oven and bake for 12 to 15 minutes, until the fish flakes easily with a fork and reaches an internal temperature of 145°F.
04 - While the salmon cooks, melt butter in a small saucepan over medium heat. Add minced garlic and sauté for 1 minute until fragrant.
05 - Stir in heavy cream, lemon zest, and lemon juice. Let the sauce simmer gently for 2 to 3 minutes, stirring occasionally.
06 - Remove the sauce from heat. Stir in chopped dill and season with salt and pepper to taste.
07 - Transfer salmon fillets to serving plates. Spoon the warm dill and lemon sauce over each piece. Garnish with lemon slices and additional dill sprigs.