Delicious Blackened Mahi Mahi Recipe

Savor the flavor of the ocean with a delicious blackened mahi mahi recipe that perfectly balances spice and freshness. This dish is not only quick to prepare but also a delightful way to introduce healthy eating into your meal rotations. Rich in omega-3 fatty acids and flaky in texture, this mahi mahi dish is sure to capture the hearts of seafood lovers at your dinner table.
Growing up, my family gathered every Sunday for a seafood feast. My grandmother used this recipe to transform fresh mahi mahi into a melt-in-the-mouth delight. We kids couldn’t get enough of its bold flavors, eagerly awaiting our turn for seconds. Even now, cooking this recipe takes me back to those warm, communal meals where laughter was abundant and the food was always extraordinary.
Why You’ll Love This Recipe
- Quick and Easy: This recipe comes together in under 30 minutes, making it perfect for weeknight dinners.
- Healthy and Nutritious: Packed with lean protein and essential nutrients, it’s a great meal for health-conscious individuals.
- Bold Flavors: The blackening spices create an irresistible crust that complements the softness of mahi mahi.
- Versatile: Great on its own or as a component in tacos, salads, and sandwiches.
Ingredients Notes
Selecting fresh mahi mahi is key to a successful dish. Make sure the fillets are firm and translucent. The spices for the blackening mix are common pantry staples that come together for a robust flavor profile. If you’re missing one or two, feel free to improvise by experimenting with similar spices.
Recipe Steps
Step 1
Pat the mahi mahi fillets dry with paper towels to remove excess moisture, ensuring a perfect crust when cooked. Season both sides generously with your homemade blackening spice mix.
Step 2
Preheat a cast-iron skillet over medium-high heat. Add a tablespoon of olive oil and let it heat until shimmering.
Step 3
Carefully add the fillets to the hot skillet. Sear for 3 to 4 minutes on one side, then flip, cooking for an additional 3 to 4 minutes until the fish flakes easily with a fork.
Step 4
Remove the fish from the pan. Let it sit for a few minutes to ensure it retains its juices and flavors.
Step 5
Serve hot with complementary sides like a fresh salad, grilled vegetables, or rice. Garnish with lemon wedges for an extra zing.
Storage Options
Store any leftover mahi mahi in an airtight container in the refrigerator for up to 3 days. For longer storage, wrap the fish tightly in plastic wrap and place it in a freezer-safe container for up to 2 months. To reheat, thaw in the refrigerator and warm gently in a skillet to retain its crisp texture.
Variations & Substitutions
This recipe is adaptable to suit different dietary preferences. For a keto-friendly version, pair it with a creamy avocado salad. Swap the blackening spices for a lemon-pepper mix for a milder flavor. Additionally, you can substitute mahi mahi with similar firm fish such as halibut or tilapia.
Frequently Asked Questions
Can I use frozen mahi mahi for this recipe?
Yes, you can use frozen mahi mahi. Ensure it is completely thawed and patted dry before seasoning. Thaw overnight in the refrigerator for the best results.
What sides go best with blackened mahi mahi?
This dish pairs well with a variety of sides. A fresh garden salad, quinoa, or garlic mashed potatoes are excellent options. A tangy coleslaw or sautéed asparagus can also enhance the meal with complementary textures and flavors.
How do I know when the mahi mahi is cooked through?
Properly cooked mahi mahi will be opaque and white throughout, flaking easily with a fork. An internal temperature of 137°F (58°C) indicates it’s perfectly cooked. Avoid overcooking to prevent a dry texture.

Delicious Blackened Mahi Mahi Recipe
IngredientsÂ
Main Ingredients
- 1.5 lbs mahi mahi fillets fresh or thawed
- 2 tbsp olive oil
- 1 tbsp Cajun seasoning or to taste
Instructions
Preparation Steps
- Preheat a large skillet over medium-high heat.
- Brush mahi mahi fillets with olive oil and coat with Cajun seasoning.
- Cook fillets in the hot skillet for about 4-5 minutes on each side, until blackened and cooked through.
- Serve immediately with lemon wedges.