Sheet Pan Cajun-Spiced Catfish with Roasted Sweet Peppers

By AislePrompt Editorial · Published 2026-05-19 · Updated 2026-05-19

A spicy, aromatic sheet pan dish featuring tender catfish fillets seasoned with Cajun spices and roasted alongside vibrant sweet bell peppers. This Southern-inspired seafood recipe, ready in about 28 minutes, pairs catfish fillets, olive oil, Cajun seasoning for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 4 pieces (6 oz each) catfish fillets
• 3 tbsp olive oil
• 2 tbsp Cajun seasoning
• 3 medium (1 red, 1 yellow, 1 orange), sliced into 1/2-inch strips sweet bell peppers
• 3 cloves, minced garlic cloves
• 1 tbsp lemon juice
• 1 tsp salt
• 1/2 tsp black pepper
• 2 tbsp, chopped fresh parsley

The sheet pan we’d roast this on → Best Sheet Pans in 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 425°F. In a bowl, mix 3 tbsp olive oil with 2 tbsp Cajun seasoning, 1 tsp salt, 1/2 tsp black pepper, and 3 minced garlic cloves until well combined.
2. Step 2: Place 4 catfish fillets on a large rimmed sheet pan and brush both sides with half of the seasoned olive oil mixture. Arrange 3 sliced sweet bell peppers around the fish and drizzle with the remaining mixture.
3. Step 3: Roast in the oven for 15-18 minutes until the catfish flakes easily with a fork and the peppers are tender with slightly charred edges.
4. Step 4: Remove from oven, drizzle 1 tbsp lemon juice over the fish and peppers, and garnish with 2 tbsp chopped fresh parsley before serving.