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Foil Baked Chilean Sea Bass with Lemon Parmesan Cream Sauce

Foil Baked Chilean Sea Bass with Lemon Parmesan Cream Sauce

  • Author: Eric
  • Total Time: 20 minutes
  • Yield: 2 1x


Baking this delicious Chilean Sea Bass in foil along with garlic cream spinach served topped with a lemon parmesan cream sauce makes for the perfect dinner idea anytime!


  • 1 lb Chilean Sea Bass
  • 12 oz. Fresh Leaf Spinach
  • 1/4 cup Heavy Whipping Cream
  • 2 tsp. Minced Garlic
  • 1 tsp. Black Pepper
  • 1 tsp. Creole Seasoning
  • 1 tsp. Sea Salt
  • 2 tbsp. Butter

For the Lemon Parmesan Sauce:

  • 1 Lemon
  • 1/4 cup White Wine
  • 1/2 cup Chicken Broth
  • 1 cup Heavy Whipping Cream
  • 3 tbsp. Grated Parmesan Cheese
  • 1/2 tsp. Garlic Powder
  • 1 tsp. Oregano
  • 3 tbsp. Butter
  • 2 tbsp. All-Purpose Flour
  • 1/4 tsp. Sea Salt
  • 1/2 tsp. Black Pepper
  • 3 tsp. Minced Garlic


For the fish:

  1. Pre-heat oven to 400 degrees.
  2. Season the sea bass on both sides with sea salt, black pepper, and Creole seasoning and set to the side.
  3. Heat cooking pan to medium heat and add butter. Once the butter melts, add minced garlic and cook garlic for 1 minute. Add the spinach and pour 1/4 cup of heavy cream over the spinach. Cook spinach just until it begins to wilt (but do not overcook as it will finish in the oven). Remove from heat.
  4. Tear 2 large pieces of foil and add half of the slightly cooked spinach in the center of each sheet. Place the sea bass over the spinach and seal the foil together so the fish can steam.
  5.  Bake the fish for 12 minutes within the foil on a baking sheet (paid link) to prevent leakage. Set to the side when done.

For the sauce:

  1. While the fish is cooking, heat a separate cooking pan to medium heat and add butter. Once the butter melts, add flour, minced garlic, and allow to cook for 1 to 2 minutes.
  2. Add white wine (or white cooking wine) and chicken broth and cook for 3 minutes. Add the heavy whipping cream, parmesan cheese, garlic powder, oregano, black pepper, and sea salt.
  3. Zest the skin of the lemon into the sauce and slice the lemon in half and squeeze both halves of juice into the sauce. Cook on low/medium heat until well blended
  4. Remove the cooked fish and spinach from the foil. Pour on the sauce. Serve hot.


You can substitute any white, flaky fish in this recipe. For example, cod, red snapper, grouper, etc.

The 12 -minute cooking time is for an average-sized 6 oz. (around 2 inches thick) Chilean sea bass. If you have a larger or thicker piece, you may need to cook your Chilean sea bass for up to 8 minutes longer. Adjust your cooking time in 2-minute increments if you are unsure.

When you remove the fish and spinach from the foil, be sure to drain/discard any excess liquid that would have developed during the baking process. The only liquid you’ll need is from that delicious sauce!

I like a lot of sauce and will typically use the leftover sauce for other recipes later in the week. The lemon Parmesan sauce is perfect on many other dishes, including pasta!

If you are not planning for (or do not want any) excess sauce, you can split the recipe for the Lemon Parmesan Sauce in half.

  • Prep Time: 5 minutes
  • Cook Time: 15 minutes
  • Category: Dinner
  • Method: Baked
  • Cuisine: American


  • Calories: 930
  • Fat: 32.5g

Keywords: chilean sea bass,lemon parmesan cream sauce, baked fish, foil baked fish, baked chilean sea bass, roasted bass