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A top down shot of mahi mahi with sauce and lemon in a cast iron skillet with a metal spoon.
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5 from 10 votes

Mahi Mahi with Lemon Butter Sauce

This mahi mahi recipe creates the most tender, flakey white fish with a flavorful pan sauce in about 20 minutes! Mahi Mahi with Lemon Butter Sauce is restaurant quality and surprisingly quick and easy to prepare.
Prep Time2 minutes
Cook Time18 minutes
Total Time20 minutes
Course: Main Course
Cuisine: American
Servings: 4
Calories: 341kcal

Ingredients

  • 4 mahi mahi fillets approximately 6 ounces each (completely thawed if frozen)
  • ½ teaspoon kosher salt or to taste
  • freshly ground black pepper to taste
  • 4 tablespoons butter cut into 4 pats, divided
  • 2 tablespoons olive oil
  • ½ cup dry white wine like pinot gris or sauvignon blanc
  • 1 teaspoon minced garlic
  • 1 large lemon juiced
  • 1 to 2 tablespoons fresh chopped parsley

Instructions

  • Pat the mahi mahi fillets dry with paper towels. Season both sides with salt and a little pepper, to taste.
  • Add 1 tablespoon butter and the olive oil to a large, heavy skillet (cast iron or enameled cast iron works great) and place over MEDIUM heat. When the butter is melted, add the seasoned mahi mahi and cook for about 5 to 6 minutes, or until it’s seared and nicely browned on the bottom. Flip and cook for an additional 3 or 4 minutes or until the internal temperature has reached 135 degrees F. Remove the pan from the heat and transfer the mahi mahi to a plate and set aside.
  • Return the skillet to MEDIUM heat and add the wine. Cook, stirring to deglaze the pan and scrape up browned bits, until the wine has reduced by about one-third (this can take several minutes). Add the garlic and the remaining butter and cook for a minute or two until the garlic is fragrant and the butter has melted. Add the lemon juice and fresh parsley and stir to combine. Reduce the heat to LOW and add the mahi mahi back to the pan, spooning the sauce over the top. Allow it to simmer for a minute or two until the internal temperature of the mahi mahi has reached 145 degrees F. Remove from the skillet from the heat and garnish with additional parsley, if desired.
  • Serve the mahi mahi with a drizzle of lemon butter sauce over the top.

Nutrition

Calories: 341kcal | Carbohydrates: 4g | Protein: 32g | Fat: 20g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 8g | Trans Fat: 0.5g | Cholesterol: 154mg | Sodium: 533mg | Potassium: 778mg | Fiber: 1g | Sugar: 1g | Vitamin A: 746IU | Vitamin C: 16mg | Calcium: 42mg | Iron: 2mg