Looking for a healthy, minimal-effort dinner that doesn’t skimp on flavor? These sheet pan mahi mahi fajitas are a must-try. Packed with vibrant veggies and lean protein, everything roasts together on one pan, saving you time on cooking and clean-up. The fish comes out flaky, the peppers caramelized, and the flavor is absolutely on point.
🛒 Ingredients:
- 2 mahi mahi fillets (fresh or thawed if frozen)
- 2 bell peppers (red and yellow), sliced
- 1 red onion, sliced
- 2 tablespoons olive oil
- 1 teaspoon chili powder
- 1/2 teaspoon cumin
- 1/2 teaspoon smoked paprika
- 1/2 teaspoon garlic powder
- Salt & pepper to taste
- Lime wedges and chopped cilantro (for garnish)
- Warm tortillas for serving

📝 Instructions:
- Preheat Oven: Set oven to 400°F (200°C).
- Prepare the Veggies: On a baking sheet, toss the sliced peppers and onions with 1 tbsp olive oil and half the spices. Spread evenly.
- Season the Fish: Place the mahi mahi on the same sheet. Drizzle with remaining oil and sprinkle with the rest of the spices.
- Roast: Bake for 12–15 minutes, or until fish is flaky and veggies are tender with crispy edges.
- Warm the Tortillas: Wrap tortillas in foil and heat in the oven during the last 5 minutes.
- Assemble the Fajitas: Slice the fish and serve in tortillas with the roasted veggies, a squeeze of lime, and cilantro.
🐟 Tip:
Add avocado slices or chipotle crema for an extra layer of richness.