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Preheat your oven to 400°F. Line a large sheet pan with parchment paper for easy cleanup.

In a small bowl, combine all the Cajun seasoning ingredients: paprika, garlic powder, onion powder, dried oregano, dried thyme, cayenne pepper, salt, and black pepper. Mix well.

On the prepared sheet pan, arrange the sliced red bell pepper, yellow bell pepper, red onion, and zucchini. Drizzle with 1 tablespoon of olive oil and toss to coat evenly.

Sprinkle about 1 tablespoon of the Cajun seasoning over the vegetables and toss again to ensure they are well coated. Spread the vegetables in a single layer on one half of the sheet pan.

Pat the halibut fillets dry with paper towels. Place them on the other half of the sheet pan, leaving some space between each fillet. Drizzle the remaining 1 tablespoon of olive oil over the halibut.

Generously sprinkle the remaining Cajun seasoning over the halibut fillets, ensuring they are evenly coated on all sides.

Bake for 15-20 minutes, or until the halibut is opaque and flakes easily with a fork, and the vegetables are tender-crisp. Cooking time may vary depending on the thickness of your fish.

Remove the sheet pan from the oven. Garnish with fresh chopped parsley and serve immediately with lemon wedges.


Preheat your oven to 400°F. Line a large sheet pan with parchment paper for easy cleanup.

In a small bowl, combine all the Cajun seasoning ingredients: paprika, garlic powder, onion powder, dried oregano, dried thyme, cayenne pepper, salt, and black pepper. Mix well.

On the prepared sheet pan, arrange the sliced red bell pepper, yellow bell pepper, red onion, and zucchini. Drizzle with 1 tablespoon of olive oil and toss to coat evenly.

Sprinkle about 1 tablespoon of the Cajun seasoning over the vegetables and toss again to ensure they are well coated. Spread the vegetables in a single layer on one half of the sheet pan.

Pat the halibut fillets dry with paper towels. Place them on the other half of the sheet pan, leaving some space between each fillet. Drizzle the remaining 1 tablespoon of olive oil over the halibut.

Generously sprinkle the remaining Cajun seasoning over the halibut fillets, ensuring they are evenly coated on all sides.

Bake for 15-20 minutes, or until the halibut is opaque and flakes easily with a fork, and the vegetables are tender-crisp. Cooking time may vary depending on the thickness of your fish.

Remove the sheet pan from the oven. Garnish with fresh chopped parsley and serve immediately with lemon wedges.
