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Foolproof Oven Baked Chilean Sea Bass with Lemon Garlic Butter

Close-up of moist chilean sea bass recipe oven baked fillet topped with herbs and a lemon slice.

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Make restaurant quality Chilean Sea Bass at home using this simple oven baking method. This recipe yields moist and flaky fish every time with minimal effort.

Ingredients

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  • 2 (6 ounce) Chilean Sea Bass fillets, about 1 inch thick
  • 1 tablespoon olive oil
  • 2 tablespoons unsalted butter, melted
  • 2 cloves garlic, minced
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon dried Italian herbs
  • 1/4 teaspoon salt
  • 1/8 teaspoon black pepper
  • 2 thin lemon slices for garnish
  • 1 tablespoon fresh parsley, chopped (for garnish)

Instructions

  1. Preheat your oven to 400 degrees Fahrenheit. Lightly grease a small baking dish or line it with parchment paper.
  2. Pat the Chilean Sea Bass fillets completely dry using paper towels. This step helps the seasoning adhere and promotes better texture.
  3. In a small bowl, whisk together the melted butter, minced garlic, lemon juice, Italian herbs, salt, and pepper to create the simple baked fish marinade.
  4. Place the dried fish fillets in the prepared baking dish. Brush the top and sides of each fillet generously with the lemon garlic butter mixture.
  5. Bake for 12 to 15 minutes. The exact time depends on the thickness of your fillets. The fish is done when it flakes easily with a fork and reaches an internal temperature of 145 degrees Fahrenheit. This cooking time ensures moist Chilean Sea Bass.
  6. Remove the fish from the oven. Place a thin lemon slice on top of each fillet. Garnish with fresh chopped parsley before serving.

Notes

  • For a crispier top, you can briefly broil the fish for the last 1-2 minutes, watching carefully to prevent burning.
  • If you prefer a slight sear before baking, lightly pan-sear the fish in a hot, oiled skillet for 1 minute per side before transferring it to the oven.
  • Serve this flaky baked fish dinner with roasted asparagus or simple steamed rice for a complete meal.

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