Baked haddock fillets with sweet baby bell peppers, garlic, and lemon create a healthy, flavorful seafood dinner. Perfect for weeknight meals, Mediterranean-inspired dinners, or light, protein-rich dishes.

Ingredients
- 4 haddock fillets (4–6 oz each)
- Kosher salt, to taste
- Black pepper, to taste
- 8 baby bell peppers, any color, thinly sliced
- 4 green onions, trimmed and chopped
- 2 large garlic cloves, minced
- 1 ½ tsp Greek oregano
- 1 tsp paprika
- Zest and juice of 1 lemon
- ¼ cup extra virgin olive oil
- ¼ cup fresh parsley, finely chopped, plus more for garnish
- Lemon wedges for serving
Instructions
1. Preheat Oven
Position a rack in the middle of the oven and preheat to 400°F.
2. Prep the Haddock
Pat haddock fillets dry on both sides. Season generously with kosher salt and black pepper, then place in a large mixing bowl.
3. Season the Fish and Vegetables
Add sliced bell peppers, chopped green onions, minced garlic, and parsley to the bowl with the fish. Sprinkle oregano and paprika, season with additional salt and pepper, and add lemon juice, lemon zest, and ¼ cup olive oil. Toss gently to coat the fish and vegetables evenly.
4. Bake
Transfer the fish and vegetables to a 9 x 13-inch baking dish. Bake in the preheated oven until the haddock is opaque and flakes easily with a fork, about 15 minutes.
5. Finish and Serve
Garnish with extra chopped parsley and serve immediately with fresh lemon wedges.
Why You’ll Love This Recipe
- Quick, healthy, and flavorful seafood dinner.
- Tender, flaky haddock paired with sweet and colorful bell peppers.
- Mediterranean-inspired flavors with lemon, garlic, and herbs.
- Minimal cleanup, perfect for weeknight meals.

Tips
- Pat the fish dry before baking to ensure it browns slightly and retains moisture.
- Cut bell peppers into uniform slices for even cooking.
- Adjust lemon juice and zest according to your preferred tanginess.
- Use fresh herbs for maximum flavor.
Variations and Substitutions
- Fish: Substitute haddock with cod, tilapia, or halibut.
- Vegetables: Add cherry tomatoes, zucchini, or asparagus for extra color and nutrition.
- Herbs & Spices: Swap Greek oregano with thyme or basil.
- Oil: Extra virgin olive oil can be replaced with avocado or grapeseed oil.
FAQs
Can I make this ahead of time?
Yes, prep the fish and vegetables in advance, then bake just before serving.
How do I prevent fish from drying out?
Coat the fish in olive oil and bake at 400°F for a short period; check for doneness at 12–15 minutes.
Can I use frozen haddock?
Yes, thaw completely and pat dry before seasoning and baking.
Serving Suggestions
- Serve with a side of steamed rice or quinoa.
- Pair with roasted or sautéed vegetables.
- Add a simple green salad for a light, complete meal.
- Drizzle with extra lemon juice before serving for added brightness.
Baked Haddock with Baby Bell Peppers
4
servings15
minutes15
minutes187.9
Ingredients
4 haddock fillets (4–6 oz each)
Kosher salt, to taste
Black pepper, to taste
8 baby bell peppers, any color, thinly sliced
4 green onions, trimmed and chopped
2 large garlic cloves, minced
1 ½ tsp Greek oregano
1 tsp paprika
Zest and juice of 1 lemon
¼ cup extra virgin olive oil
¼ cup fresh parsley, finely chopped, plus more for garnish
Lemon wedges for serving
Directions
- Preheat Oven
- Position a rack in the middle of the oven and preheat to 400°F.
- Prep the Haddock
- Pat haddock fillets dry on both sides. Season generously with kosher salt and black pepper, then place in a large mixing bowl.
- Season the Fish and Vegetables
- Add sliced bell peppers, chopped green onions, minced garlic, and parsley to the bowl with the fish. Sprinkle oregano and paprika, season with additional salt and pepper, and add lemon juice, lemon zest, and ¼ cup olive oil. Toss gently to coat the fish and vegetables evenly.
- Bake
- Transfer the fish and vegetables to a 9 x 13-inch baking dish. Bake in the preheated oven until the haddock is opaque and flakes easily with a fork, about 15 minutes.
- Finish and Serve
- Garnish with extra chopped parsley and serve immediately with fresh lemon wedges.

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