Tilapia in Roasted Pepper Sauce

Featured in Satisfying Main Courses.

Roast bell peppers, blend with sautéed onions, garlic, and seasonings to make sauce. Pan-sear seasoned tilapia fillets until flaky. Serve fish topped with roasted pepper sauce.
Barbara Chef
Recipe by Barbara
Updated on Thu, 06 Mar 2025 16:17:40 GMT
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Two pieces of fish with peppers and herbs on top. | gracefulflavors.com

This tilapia in roasted pepper sauce delivers the perfect balance of delicate fish and bold flavors, creating a restaurant-quality dish that's surprisingly simple to prepare at home. The mild, tender tilapia fillets provide the perfect canvas for the star of this dish – a vibrant sauce made from smoky roasted red peppers, aromatic garlic, and a hint of tanginess from balsamic vinegar. Each bite offers a harmonious combination of flavors: the fish's subtle sweetness, the peppers' smoky depth, and the sauce's rich, velvety texture. In less than 30 minutes, you can create a meal that feels indulgent yet remains light and nutritious.

I discovered this recipe during a particularly busy season when I needed quick, healthy dinners that didn't sacrifice flavor. The first time I made it, the kitchen filled with the most mouthwatering aroma of roasted peppers and garlic. My husband, who typically finds tilapia too plain, couldn't stop raving about how the sauce transformed the fish completely. Now it's part of our regular rotation – perfect for those evenings when we want something that feels special without hours of preparation. Even my picky nephew cleaned his plate and asked for seconds!

Ingredients You'll Need

  • 4 Tilapia Fillets (6 oz each): This mild white fish cooks quickly and absorbs flavors beautifully. Look for fillets that are firm, translucent, and have no strong odor.
  • 2 Red Bell Peppers: These create the foundation of your sauce with their natural sweetness intensified through roasting. Choose peppers that feel heavy for their size with tight, glossy skin.
  • 1 Small Onion, chopped: Adds aromatic depth to the sauce. Yellow or white onions work equally well here.
  • 2 Cloves Garlic, minced: Provides essential flavor foundation. Fresh garlic delivers superior taste compared to pre-packaged options.
  • 1 Tablespoon Olive Oil: Used for sautéing and adding richness. Extra virgin olive oil brings the best flavor.
  • 1 Cup Vegetable or Chicken Broth: Forms the liquid base of your sauce. Homemade offers the richest flavor, but quality store-bought works well too.
  • 1 Tablespoon Balsamic Vinegar: Adds subtle tanginess that balances the peppers' sweetness. Look for a moderately priced authentic balsamic for best results.
  • 1 Teaspoon Smoked Paprika: Enhances the roasted flavor profile. Spanish smoked paprika (pimentón) delivers exceptional depth.
  • 1 Teaspoon Dried Oregano: Contributes Mediterranean notes that complement the other flavors. Crush it between your fingers before adding to release more flavor.
  • Salt and Pepper to taste: Essential for highlighting and balancing all other flavors.
  • Fresh Parsley for garnish (optional): Adds bright color and fresh flavor contrast.
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A bowl of food with two pieces of chicken and a tomato sauce. | gracefulflavors.com

Step-by-Step Cooking Instructions

Roast the Bell Peppers:
Preheat your oven to 400°F (200°C) and place the red bell peppers on a baking sheet. Roast them for approximately 20 minutes, turning halfway through the cooking process. You'll know they're done when the skin becomes charred and blistered in spots and they begin to collapse slightly. This roasting process concentrates the peppers' natural sugars while adding a beautiful smoky dimension that forms the foundation of your sauce. Once roasted, transfer the peppers to a bowl and cover with a kitchen towel or plastic wrap. Let them steam for 10 minutes – this crucial step loosens the skins, making them much easier to remove.
Prepare the Peppers:
After the peppers have steamed, peel off the charred skins using your fingers – they should slip off easily. Cut the peppers open and remove the seeds and stem. Don't rinse the peppers as this washes away flavorful oils; instead, gently wipe away any stubborn seeds with a paper towel. Roughly chop the roasted pepper flesh and set aside. The vibrant color and concentrated flavor of these peppers will transform your sauce into something extraordinary.
Create the Sauce Base:
Heat olive oil in a medium skillet over medium heat until it shimmers. Add the chopped onion and sauté for 4-5 minutes, stirring occasionally, until the onion becomes translucent and soft but not browned. Add the minced garlic and cook for just another minute until fragrant, being careful not to burn it as this would add bitterness to your sauce. The aroma at this stage will be incredibly enticing – that wonderful combination of garlic and onion creating the perfect foundation for the peppers to come.
Develop the Sauce:
Add your chopped roasted peppers to the skillet along with vegetable or chicken broth, balsamic vinegar, smoked paprika, and dried oregano. Stir to combine all ingredients, then bring the mixture to a gentle simmer. Allow it to cook for 5-7 minutes, letting the flavors meld together while the liquid reduces slightly, intensifying the taste. Season with salt and pepper according to your preference – start with about 1/2 teaspoon of salt and 1/4 teaspoon of pepper, then adjust to taste.
Blend the Sauce:
Transfer the sauce mixture to a blender or food processor, or use an immersion blender directly in the pan (after removing from heat). Pulse until the sauce reaches your desired consistency – I prefer it fairly smooth with a slight texture. If using a standard blender, remember to remove the center cap and cover with a kitchen towel to allow steam to escape, preventing a dangerous pressure build-up. Return the blended sauce to the skillet and keep warm over low heat while you prepare the fish.
Prepare the Tilapia:
Pat the tilapia fillets dry with paper towels – this ensures better browning. Season both sides of each fillet with salt, pepper, and a light dusting of smoked paprika for additional flavor that complements the sauce. Heat a tablespoon of olive oil in a large non-stick skillet over medium-high heat until shimmering but not smoking. The proper pan temperature is crucial for achieving a nice sear without overcooking the delicate fish.
Cook the Fish:
Place the seasoned tilapia fillets in the hot skillet, being careful not to overcrowd the pan (cook in batches if necessary). Cook for approximately 3-4 minutes on the first side until golden brown. Carefully flip each fillet using a thin spatula and cook for another 2-3 minutes on the second side. The fish is done when it flakes easily with a fork and has reached an internal temperature of 145°F (63°C). The cooking time may vary slightly depending on the thickness of your fillets.
Serve Immediately:
To serve, place each tilapia fillet on an individual plate or a serving platter. Generously spoon the warm roasted pepper sauce over each piece of fish, ensuring every bite will be coated with flavor. Garnish with fresh chopped parsley if desired, which adds a pop of color and fresh flavor. Serve immediately while the fish is hot and the sauce is warm for the most delightful dining experience.

You Must Know

  • Pepper Selection - Choose red bell peppers that are firm and heavy for their size with shiny, tight skin.
  • Proper Fish Cooking - The key to perfectly cooked tilapia is not overcooking it - it should be just opaque and flake easily.
  • Sauce Consistency - Blend the sauce to your preference - completely smooth creates an elegant presentation, while slightly chunky offers more texture.

I learned the importance of properly roasting peppers through trial and error. My first attempt at this dish involved shortcuts with jarred roasted peppers, and while it was good, it didn't have that same depth of flavor. Taking the extra 20 minutes to roast fresh peppers completely transformed the dish. The aroma filled my kitchen with such an incredible smell that my neighbor actually knocked on my door to ask what I was cooking! That extra step makes all the difference between a good dinner and a memorable one.

Perfect Pairing Options

This tilapia dish pairs beautifully with simple sides that complement rather than compete with the flavorful sauce. A bed of fluffy rice or quinoa makes an excellent base, soaking up the extra sauce so not a drop goes to waste. For vegetables, roasted asparagus or a simple green salad with lemon vinaigrette provides a fresh contrast to the rich sauce. If you're serving this for a special occasion, consider starting with a light appetizer such as a simple bruschetta or a small cup of clear soup to prepare the palate without overwhelming it.

Creative Serving Suggestions

While this dish is stunning served simply with the sauce poured over the fish, there are several ways to elevate the presentation. Try creating a small pool of sauce on each plate, then place the tilapia on top with a smaller drizzle of sauce. Garnish with microgreens for an elegant restaurant-style presentation. You can also serve the dish family-style on a large platter surrounded by roasted vegetables for a casual yet impressive dinner party option. For a complete meal-in-one approach, the tilapia and sauce can be served over pasta, turning it into a seafood pasta dish.

Make-Ahead Tips

While the finished dish is best enjoyed immediately, several components can be prepared ahead of time to streamline your cooking process. The roasted pepper sauce can be made up to three days in advance and stored in an airtight container in the refrigerator. Simply reheat it gently on the stovetop before serving. You can also roast and peel the peppers a day ahead, storing them in the refrigerator until you're ready to complete the sauce. The fish itself is best cooked just before serving for optimal texture and flavor.

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Two pieces of fish with a spicy sauce on top. | gracefulflavors.com

Healthier Variations

This dish is naturally healthy, but there are ways to adjust it to fit specific dietary needs. For a lower-sodium version, use unsalted broth and adjust seasoning to taste. To reduce calories further, you can use cooking spray instead of olive oil when cooking the fish. For those following a dairy-free diet, this recipe is already perfect as is. If you're looking to add more vegetables, consider stirring a handful of baby spinach into the warm sauce just before serving, allowing it to wilt slightly.

I've served this dish at everything from casual family dinners to more formal gatherings, and it's always met with enthusiasm and requests for the recipe. What I love most is how it transforms affordable, everyday ingredients into something that feels special. The vibrant color of the sauce makes for a beautiful presentation that belies how simple it is to prepare. My husband now requests this dish specifically when we're entertaining friends who think they don't like fish – it's converted quite a few skeptics with its perfect balance of flavors!

Recipe Tips & Questions

→ Can I use frozen tilapia for this recipe?
Yes, just make sure to thaw it completely and pat it dry with paper towels before cooking to ensure proper searing and to prevent the fish from becoming watery.
→ What can I substitute for tilapia?
Any mild white fish works well, including cod, sole, flounder, or snapper. Adjust cooking time based on the thickness of the fish fillets you choose.
→ Can I make the roasted pepper sauce ahead of time?
Absolutely! The sauce can be made up to 3 days ahead and stored in an airtight container in the refrigerator. Reheat gently before serving with freshly cooked fish.
→ How can I tell when the tilapia is done cooking?
Tilapia is done when it turns opaque and flakes easily with a fork. The internal temperature should reach 145°F (63°C). Be careful not to overcook as it can become dry.
→ What sides pair well with this dish?
This dish pairs beautifully with steamed rice, roasted potatoes, or a fresh green salad. Steamed vegetables like asparagus or broccoli also complement the flavors nicely.

Fish with Smoky Pepper Sauce

Tender tilapia fillets served with a vibrant, smoky roasted bell pepper sauce - a quick and healthy dinner option that delivers impressive flavor with minimal effort.

Prep Time
10 Minutes
Cook Time
15 Minutes
Total Time
25 Minutes
Recipe by: Barbara

Recipe Type: Hearty Mains

Skill Level: Moderate

Style of Cooking: Mediterranean

Makes: 4 Serves

Dietary Notes: Low-Carb, Gluten-Free, Dairy-Free

What You'll Need

→ Main Ingredients

01 4 tilapia fillets (about 6 ounces each)
02 2 red bell peppers, roasted and peeled
03 1 small onion, chopped
04 2 cloves garlic, minced
05 1 tablespoon olive oil
06 1 cup vegetable or chicken broth
07 1 tablespoon balsamic vinegar
08 1 teaspoon smoked paprika
09 1 teaspoon dried oregano
10 Salt and pepper to taste
11 Fresh parsley for garnish (optional)

Let's Cook!

Step 01

Preheat oven to 400°F (200°C). Place red bell peppers on a baking sheet and roast for about 20 minutes, turning halfway through, until skin is charred. Cover in a bowl for 10 minutes, then peel, seed, and chop

Step 02

In a medium skillet, heat olive oil over medium heat. Add chopped onion and sauté for 4-5 minutes until softened. Add minced garlic and cook for another minute until fragrant

Step 03

Add roasted peppers to the skillet with onions and garlic. Stir in broth, balsamic vinegar, smoked paprika, and oregano. Simmer 5-7 minutes. Season with salt and pepper. Transfer to a blender and puree until smooth

Step 04

In the same skillet, heat a small amount of olive oil over medium-high heat. Season tilapia fillets with salt, pepper, and smoked paprika. Cook for 3-4 minutes per side, until fish flakes easily with a fork

Step 05

Spoon the roasted pepper sauce over the cooked tilapia fillets. Garnish with fresh parsley if desired

Cook's Notes

  1. Sauce can be made ahead and refrigerated for up to 3 days
  2. You can substitute tilapia with other mild white fish like cod or sole
  3. For a time-saving option, use jarred roasted red peppers

Kitchen Equipment Needed

  • Baking sheet
  • Skillet
  • Blender or immersion blender
  • Knife and cutting board

Allergy Notes

Always check ingredients carefully for allergens. When in doubt, please consult your healthcare provider.
  • Contains fish

Nutrition Information (Per Serving)

These values are estimates and should be used as a general guide.
  • Calories: 325
  • Total Fat: 15 g
  • Total Carbohydrate: 20 g
  • Protein: 30 g