For an extra layer of flavor, consider adding a minced garlic clove to the marinade. Feel free to substitute other firm white fish, such as cod or snapper, for the mahi mahi. If you prefer spicier fajitas, increase the amount of chili powder or cayenne pepper to your liking. To prevent the fish from drying out, avoid overcooking it. It should be opaque and flake easily with a fork when done. Serve with warm tortillas, shredded lettuce, pico de gallo, sour cream, guacamole, and your other favorite fajita toppings.
Sheet Pan Mahi Mahi Fajitas
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PREP TIME20 mins
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COOK TIME25 mins
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TOTAL TIME45 mins
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SERVING4 People
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VIEWS21
Imagine flaky, succulent mahi mahi mingling with vibrant, caramelized peppers and onions, all infused with a smoky, zesty fajita spice blend. This sheet pan wonder delivers a fiesta of flavors with minimal effort, perfect for a quick and healthy weeknight dinner. Serve it sizzling hot in warm tortillas, over fluffy rice, or even as a vibrant salad topping!
Ingridients
Adjust Servings
Nutrition
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Carbohydrate9 g
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Cholesterol82 mg
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Fiber2 g
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Protein22 g
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Saturated Fat2 g
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Sodium344 mg
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Sugar4 g
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Fat12 g
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Unsaturated Fat0 g
Follow The Directions
01
StepPreheat oven to 400°F (200°C). Line a large baking sheet with parchment paper for easy cleanup. (5 minutes)
02
StepIn a medium bowl, whisk together olive oil, lemon juice, chili powder, cumin, onion powder, garlic salt, black pepper, and cayenne pepper. (2 minutes)
03
StepSpread sliced bell peppers and onion evenly on the prepared sheet pan. Pour half of the marinade over the vegetables and toss to coat thoroughly. (3 minutes)
04
StepRoast the vegetables in the preheated oven for 10 minutes, allowing them to soften and begin to caramelize.
05
StepWhile the vegetables are roasting, place the mahi mahi pieces in a separate bowl and pour the remaining marinade over them. Toss gently to ensure each piece is well coated. Let the fish marinate for 10 minutes, allowing the flavors to penetrate. (12 minutes)
06
StepRemove the sheet pan from the oven. Arrange the marinated mahi mahi pieces evenly over the partially cooked vegetables. (2 minutes)
07
StepReturn the sheet pan to the oven and continue to bake for approximately 12 minutes, or until the fish is cooked through and flakes easily with a fork. The internal temperature of the fish should reach 145°F (63°C).
08
StepRemove from oven and serve immediately. Garnish with your favorite toppings, such as chopped tomatoes, sour cream, guacamole, or fresh cilantro.
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RECIPE REVIEWS
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Please Rate
Billie Zemlak
May 19, 2025This recipe is a lifesaver on busy weeknights! So easy and flavorful.
Tyrique Strosin
May 13, 2025I added a squeeze of lime juice at the end for extra zing. Delicious!
Newell Klein
Apr 20, 2025My kids loved this! They even ate the bell peppers, which is a miracle.
Ayden Hamill
Apr 7, 2025The mahi mahi was perfectly cooked and the veggies were so tender. Will definitely make again!