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Mahi Mahi with Beurre Blanc (Butter Sauce) {Keto-Friendly and Low-Carb}


Enjoy this low-carb delicate fish entree with a rich buttery sauce. With only a single gram of net carbs, it's the perfect keto-friendly recipe.

The French sauce sounds fancy, but it's surprisingly simple to prepare, so you can impress your friends without breaking a sweat. As an added bonus, this recipe is gluten and grain-free, so everyone will enjoy it.

Mahi-Mahi with Buerre Blanc

This recipe is:

  • Keto-friendly
  • Low-carb
  • Gluten-free
  • Grain-free
Other seafood recipes you may like: Best Keto Fish Recipes.

Looking for sides to go with this recipe? Try our Kale Salad and Bacon-Wrapped Asparagus with Garlic Aioli.

Mahi-Mahi with Beurre Blanc Recipe

mahi mahi buerre blanc


  • 3 pieces bacon
  • 6 (3oz) Mahi Mahi fillets
  • pinch salt and pepper
  • ¼ cup olive oil
  • ¼ cup white wine
  • ¼ cup heavy cream
  • 1 stick butter, sliced into ½-inch pieces
  • juice from 1 lemon
  • 1 tablespoon fresh dill, chopped
  • 2 tablespoons fresh parsley, chopped


  1. Cook bacon in a skillet at medium-low heat for 3-5 minutes on each side until crispy. Remove from pan and reserve fat.
  2. Season mahi mahi with a generous amount of salt and pepper. Heat the olive oil in a skillet at medium-high heat. Once oil is hot, sear the fish face down for about 3 minutes until cooked halfway up the side. Flip and do the same on the other side until the fish is cooked all the way through. Remove from pan and transfer to plate. Keep pan on heat.
  3. Add white wine and let reduce until only a syrup remains.
  4. Add heavy cream and reserved bacon fat. Turn heat off.
  5. Whisk butter in until completely melted and fully incorporated into sauce.
  6. Add lemon juice, dill, parsley, cooked bacon, and a pinch of salt and pepper. Pour sauce over mahi-mahi and serve.

  • Prep Time: 5 minutes
  • Cook Time: 20 minutes
  • Yield: 6

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Nutrition Info

Ideal Ratio Recipe Ratio
76% Fat
22% Protein
2% Carbs

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