f you’re looking for a quick, flavorful dinner that feels restaurant-worthy but keeps things light, this Healthy Blackened Fish is the answer. Instead of butter, this recipe uses heart-healthy olive oil and a bold spice blend that delivers just the right balance of heat and flavor without overpowering the fish.
Seared in a hot cast iron skillet, the fish develops that classic blackened crust while staying tender and flaky inside — and the best part? It cooks in just 6 minutes! Perfect for busy weeknights, meal prep, or a healthy high-protein dinner, this easy blackened fish recipe proves that simple ingredients can still pack serious flavor.
If you are looking for more healthy dinners try this Greek Inspired Grilled Chicken Salad!
Ingredients
- mild white fish fillets (orange roughy, tilapia etc)
- Tony Chachere's Spices and Herbs blend
- salt & pepper
- granulated garlic
- Extra Virgin olive oil
See exact quantities in recipe card below!
Instructions
First, pat the fish fillets dry with paper towels to help the seasoning stick and create a better sear. Next, drizzle them with a good olive oil and rub it evenly over both sides. Then, generously sprinkle Tony seasoning on both sides, and add a light sprinkle of granulated garlic, salt and pepper.
Meanwhile, heat a cast iron or heavy skillet over high heat and add 1–2 tablespoons of olive oil. This depends on the size of your skillet. You want a light coating all over the bottom of the skillet. Not a puddle. Once the oil is hot and shimmery, carefully place the fillets into the skillet. Cook for about 3-4 minutes per side, depending on thickness, until the fish is white, flaky, and cooked through. Internal temperature should reach 145 degrees.
Before & After
Spice Blend
This is the seasoning blend I love most for my pan seared and healthy blackened fish. You can find it HERE or in your local grocery store.
Sides
If you are looking for something to serve with your fish...there are so many options! We love brown rice as a healthy option. You can also try one of the sides below!
FAQs
I put a large cast iron skillet on my grill. Then heat the grill with the lid closed, up to 400-425 degrees. Then once hot add olive oil and cook as recipe states.
No! There are so many spice blends on the market you can try! Or make your own.
Most blackened fish you find I restaurants are cooked in large amounts of butter. This crust may not be a crisp, but your heart and body will love having a good olive oil instead of the butter.
Recipes to Try
Healthy Blackened Fish
Ingredients
- 3 fillets mild white fish orange roughy, tilapia, catfish etc.
- 3 Tablespoons olive oil divided
- 3 teaspoons Tony Chachere's Spices and Herbs Blend or to taste
- 1 teaspoon granulated garlic or to taste
- 1 teaspoon ground black pepper or to taste
- ½ teaspoon sea salt or to taste
Instructions
- Preheat a cast iron skillet.
- Pat the fish fillets dry with paper towels to help the seasoning stick and create a better sear.Â
- Drizzle 1 Tablespoon of good olive oil over all filets and rub it evenly over both sides.Â
- Sprinkle Tony seasoning, garlic, salt and pepper to both sides of filets and rub in to make sure it is stuck to the olive oil. At this point you can add more seasoning to your taste.
- Drizzle the remaining 2 Tablespoons of olive oil into the skillet. Making sure the bottom is coated, but not enough to puddle.
- Once the oil is shimmery carefully place the fillets into the skillet. Cook for about 3-4 minutes per side, depending on thickness, until the fish is white, flaky, and cooked through. Temperature should be 145℉. Serve hot.
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