01 - Pat fillets dry with paper towels and season both sides with salt and pepper.
02 - Warm olive oil in a large nonstick or stainless-steel skillet over medium-high heat.
03 - Place fillets skin-side down, press gently with spatula, and sear for 3 to 4 minutes until skin is crispy and golden.
04 - Flip fillets and cook for 2 to 3 minutes until opaque and cooked through. Transfer to a warm plate and tent loosely with foil.
05 - Reduce heat to medium and add butter to the same pan. Once melted, add garlic and sauté for 30 seconds until fragrant.
06 - Stir in capers for 1 minute, then pour in white wine or fish stock, scraping up browned bits from pan.
07 - Add lemon juice and zest, simmering for 2 to 3 minutes until sauce reduces slightly.
08 - Remove from heat, stir in parsley, and season with salt and pepper to taste.
09 - Spoon lemon caper sauce over sea bass fillets and serve immediately.