01 - Pat salmon fillets dry with paper towels. Season both sides evenly with salt, pepper, and garlic powder.
02 - Heat olive oil in a large nonstick or cast-iron skillet over medium-high heat until shimmering.
03 - Place salmon fillets skin-side down in the hot skillet. Sear for 4 minutes, applying gentle pressure to ensure skin crisps properly.
04 - Flip fillets carefully and cook for 2 to 3 minutes until cooked through and golden brown. Transfer to a serving plate.
05 - Reduce heat to medium. Add butter to the skillet. Once melted, add minced garlic and sauté for 30 seconds until aromatic.
06 - Stir in lemon zest and juice, scraping up browned fond from skillet bottom. Simmer for 1 minute. Fold in parsley.
07 - Spoon lemon butter sauce over salmon fillets. Garnish with additional parsley and lemon slices. Serve immediately.