I make this on nights when I want fish but do not feel like spending much time in the kitchen. Baked mahi mahi gets a ginger sauce of light soy sauce, honey, garlic, and balsamic vinegar, so the fish gets a good mix of salty, sweet, and tangy flavor. It’s usually on the table in under half an hour.
I brush some of the sauce on before baking, then simmer the rest and spoon it over the fillets before serving. It bakes at 450F and is done in about 15 minutes.
What Is Baked Mahi Mahi with Ginger Sauce?
Mahi mahi works well here because it stays firm in the oven and does not fall apart when you brush sauce over it. It has a mild, slightly sweet flavor, so the ginger and soy come through nicely. If you can only find a softer white fish like baked tilapia, it can work too. Just handle it gently since it is softer.
Ingredients
- Mahi mahi fillets – The main fish. Cod, flounder, or rainbow trout also work.
- Fresh ginger – Grate it fresh if you can. Jarred ginger paste is fine too.
- Light soy sauce – I use light soy sauce here because dark soy can make the sauce too strong.
- Honey – Adds sweetness and helps the sauce thicken a little as it cooks.
- Balsamic vinegar – This cuts through the honey so the sauce does not taste too sweet.
- Garlic – One clove, crushed and minced.
- Olive oil – Just enough to help everything coat the fish.
How to Cook Baked Mahi Mahi
1. Season and Prep the Fish
I salt the fish first and let it sit while the oven heats.
- Pat the mahi mahi dry with paper towels.
- Rub salt and pepper over both sides.
- Rest the fillets for 10 minutes while the oven heats to 450F.
2. Mix and Brush the Sauce
Give the fish a few minutes in the sauce before baking.
- In a wide bowl, stir together the grated ginger, light soy sauce, garlic, honey, balsamic vinegar, and olive oil.
- Brush some over both sides of the fillets.
- Let them sit for 8 to 12 minutes. Save the rest for later.
3. Bake the Mahi Mahi
I bake the fish at 450F so it cooks fast and doesn’t dry out.
- Arrange the fillets on a baking sheet.
- Bake for 12 to 15 minutes, until the fish flakes with a fork.
4. Reduce the Sauce and Serve
Simmer the extra sauce while the fish bakes so it thickens a little. For another easy fish dinner, I also use this quick oven method in my oven baked salmon.
- While the fish bakes, pour the reserved sauce into a small saucepan.
- Cook over low heat until it reduces by half.
- Spoon it over the fish and serve with rice.
Tips
- Pull it early – Mahi mahi dries out fast. Check it at 12 minutes and take it out once it flakes.
- Use a thermometer if you have one – The center should read around 137F to 145F.
- Don’t skip the reduction – A few minutes on low heat cooks off the raw garlic and thickens the sauce.
- Thicker fillets need more time – If the fillets are close to an inch thick, bake them closer to 15 minutes. Thin ones may finish around 12.
- Line the sheet – Foil or parchment saves you a scrubbing since the honey can stick.
- Taste before you reduce – A splash more soy for salt, or honey for sweetness.
What to Serve With It
- Steamed jasmine rice – Soaks up the extra sauce. My usual pick.
- Couscous salad – The lemon and herbs balance the sweet sauce.
- Steamed bok choy – Light enough to keep the meal from feeling too sweet or heavy.
- Sauteed green beans – Cook them quickly in a hot pan with a little salt for some crunch.
Storage and Reheating
Leftovers keep in the fridge for up to 2 days. I do not freeze this one because the cooked fish can turn dry after reheating. To reheat, warm it in a covered pan over low heat with a splash of water so it doesn’t dry out. The microwave makes it rubbery.
More Fish Recipes
- Baked Tilapia with a Crispy Parmesan-Garlic Crust – A crunchy, cheesy topping instead of a sauce.
- Oven Baked Blackened Tilapia – A good pick when you want baked fish with more spice.
- Garlic Butter Baked Tilapia – Mild fish baked in lemon garlic butter.
- Bacon Wrapped Shrimp with Cream Cheese Stuffing – A fun seafood appetizer when you want something different.
Frequently Asked Questions
How long and at what temperature do you bake mahi mahi?
Bake it at 450F for 12 to 15 minutes. It cooks quickly at that heat, so I start checking around 12 minutes and take it out once it flakes with a fork. Thicker fillets need the full 15.
Can I use frozen mahi mahi?
Yes, but I like thawing it first. Thaw it in the fridge overnight and pat it dry before seasoning. Frozen fillets release more water as they bake, and that can thin out the sauce.
Does mahi mahi taste fishy?
Not really. It has a mild taste, especially with this soy, honey, and ginger sauce. If you want an even softer flavor, use cod or flounder.
Try this when you want a quick fish dinner. Let me know how the ginger sauce turns out for you.
Baked Mahi Mahi Fish Recipe With Ginger Glaze
Ingredients
- 1 lb Mahi-mahi
- Salt and pepper
Ginger glaze
- 2 teaspoons ginger, grated
- ¼ cup light soy sauce
- 1 clove garlic, crushed and minced
- 1 tablespoon olive oil
- ¼ cup honey, see notes below
- 3 tablespoons balsamic vinegar
Instructions
- Rub salt and pepper all over the mahi-mahi. Let it stay for 10 minutes.1 lb Mahi-mahi, Salt and pepper
- Preheat oven to 450F.
- Meanwhile, combine the ginger glaze ingredients in a wide bowl. Stir.2 teaspoons ginger, ¼ cup light soy sauce, 1 clove garlic, ¼ cup honey, 3 tablespoons balsamic vinegar, 1 tablespoon olive oil
- Brush some of the ginger glaze mixture all over the mahi-mahi fillets. Let it marinate for 8 to 12 minutes.1 lb Mahi-mahi
- Arrange the fish fillets in a baking tray. Bake for 12 to 15 minutes.
- Meanwhile, pour the remaining ginger glaze mixture in a sauce pan. Heat and cook in low heat until the liquid reduces to half.
- Remove the baked ginger glazed mahi-mahi from the oven. Arrange in a plate. Spoon some of the ginger glaze over the fish. Serve with rice.
Recipe Notes
- Use center-cut fillets for even cooking. Thicker portions of mahi-mahi help prevent dryness in the oven. If you’re working with thinner tail cuts, shave 2 minutes off the baking time and check early.
- Choose light soy sauce, not all-purpose or dark. Light soy has higher salt and less sweetness, which keeps the glaze sharp and prevents it from turning too syrupy. Dark soy or sweetened blends can mask the ginger.
- Grate ginger just before mixing. Pre-grated or stored ginger loses its bite fast. When I grate mine fresh, I press it against a fine grater and collect both pulp and juice, it makes the glaze stronger without needing more quantity.
- Reduce glaze on low, not medium heat. Keep the pan on a steady low simmer. A high flame may burn the honey before the vinegar cooks down, which can leave a bitter aftertaste.
- Serve immediately after baking. Mahi-mahi firms up fast as it cools, especially with a glaze. I move it straight from tray to plate, spoon the warm reduced sauce over, and serve without delay to keep the center moist.
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