Oven Baked Mahi Mahi Recipe

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The oven baked mahi served with sauteed asparagus.

A sesame and ginger spiced oven baked mahi mahi recipe that’s perfectly cooked and simple to prepare. Best of all it’s done in less than an hour!

One of the things Kim and I miss most about living in Florida is the seafood. From crab to shrimp and everything in between. Whenever we went out, I tended to order shellfish. Whereas, Kim preferred an oven baked or grilled Mahi mahi steak with crispy French fries. Sometimes we’d skip the seafood all together and have a pasta dish similar to our mushroom broccoli pasta.

Now, if you’ve never tried Mahi before, then you know should know it’s very hearty fish. It’s a complete opposite from something like light and flaky baked flounder. In fact, I would compare it to fresh tuna due to it texture and, “meatiness.” However, unlike tuna, Mahi is a white fish and it’s the perfect clean slate.

Meaning, it can be seasoned with just about anything from simple salt and pepper to Cajun compound butter. For our oven baked mahi mahi recipe, we used soy sauce, garlic, and spices as flavoring agents. But, those aren’t the only spice options you have. You could use lemon pepper or Old Bay seasoning if you prefer.

If you’re looking for a fish that’s a bit lighter and flakier, you may like this baked cod with panko. Cod is also a white fish, but it’s less “meaty” than mahi mahi.

How to make baked Mahi Mahi:

First, grab a small bowl and whisk together the lemon juice, soy sauce, sesame oil, minced garlic, and ground ginger. Set it aside for now.

Next, put the Mahi Mahi steaks into a 8×8 inch baking dish and season both sides with sea salt and freshly ground black pepper.

After that, pour the lemon and ginger mixture over the fish. Cover the dish and place into your fridge for about 15-minutes.

Technically, you’re using a marinade to marinate the fish. With that being said, lemon juice will, “cook” seafood.

So you don’t want to let sit in your fridge for too long or you may end up with ceviche.

Then, while the mahi mahi marinates, preheat your oven to 400°F. Once the 15-minutes have passed, uncover the fish.

Last, place it into your oven to bake for about 20-minutes or until the fish is done. It should flake easily when fully cooked. That’s it, your oven baked Mahi mahi recipe is done! Kim and I hope you enjoy the dish.

Can I use frozen Mahi Mahi for this recipe?

Yes, you can use frozen fish. However, I recommend thawing it out and patting it dry with paper towels before you start our recipe.

The fish steaks on a plate with fresh lemon slices and sauteed asparagus.

Oven Baked Mahi Mahi Recipe

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  • ¼ cup lemon juice freshly squeezed
  • 2 tablespoons soy sauce
  • 2 tablespoons sesame oil
  • 2 garlic cloves minced or pressed
  • 1 teaspoon ground ginger
  • 1 pound mahi mahi
  • Salt and pepper to taste


  • In a small bowl, whisk together the lemon juice, soy sauce, sesame oil, garlic, and ginger. Set aside.¼ cup lemon juice2 tablespoons soy sauce2 tablespoons sesame oil2 garlic cloves1 teaspoon ground ginger
  • Place the fish in a baking dish and season with salt and pepper. Pour the marinade over the fish. Cover and place in the refrigerator for 15 minutes. While the fish marinades, preheat the oven to 400° degrees.1 pound mahi mahiSalt and pepper
  • Uncover the fish and bake for 20 minutes or until the fish flakes easily with a fork. Serve immediately with a side of steamed vegetables, salad, or brown rice.

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