Blackened Red Snapper with Creole Sauce

(5.0)
By Judy Capodanno
Updated 3/25/2026
Dietitian Reviewed: Jane Schwartz, RDN, CLT
Approved for These Diets:
Blackened Red Snapper with Creole Sauce
Photo Credit: Baldwin Publishing Staff Photographer

This deliciously spicy blackened red snapper is smothered in a rich, vegetable-forward Creole sauce and a zesty homemade spice blend. By using heart-healthy oils and a high-flavor, low-sodium approach, we’ve transformed a Cajun classic into a nutritious meal the whole family will love.

Naturally heart-healthy and gluten-free, this enticing seafood recipe is an excellent way to enjoy lean protein without sacrificing the bold, "blackened" crust you crave from a traditional cast-iron skillet preparation.

Total Time
45 minutes
Servings
4
Calories
177

What Makes This Blackened Red Snapper Healthy

This recipe prioritizes heart health by using lean red snapper and a nutrient-dense sauce made from fresh peppers, celery, and tomatoes. By controlling the sodium in the Creole seasoning and using healthy fats in moderation, you get all the traditional Louisiana flavor while maintaining a low-cholesterol profile.

Key Health Highlights

  • Lean Protein: Red snapper is a low-calorie source of high-quality protein, which supports muscle health and satiety.
  • Heart-Healthy Fats: This version uses unsalted butter and olive oil in controlled amounts to keep saturated fat levels in check.
  • Low-Cholesterol Choice: As a lean white fish, snapper is naturally low in cholesterol and a great alternative to heavier meats.
  • Antioxidant-Rich Sauce: The "holy trinity" of Creole cooking—onions, peppers, and celery—plus tomatoes provides vitamins A and C.
  • Low Sodium: By making your own blackened seasoning and using low-sodium broth, you avoid the hidden salt found in many store-bought Cajun blends.
  • Gluten-Free & Diabetic-Friendly: This preparation relies on herbs, spices, and vegetables for flavor rather than flour or sugary glazes.

FAQs About Blackened Red Snapper

No, red snapper is a lean fish that is naturally low in cholesterol and saturated fat, making it an excellent choice for a heart-healthy diet.

While lemon butter is popular, a tomato-based Creole sauce is often considered the "best" for blackened fish because the acidity of the tomatoes balances the smoky heat of the spices.

Yes! Red snapper is one of the best fish for blackening because its firm texture prevents it from falling apart in the pan while the skin gets beautifully crisp.

A healthy Creole sauce consists of sautéed garlic, onions, bell peppers, and celery (the "holy trinity") simmered with tomatoes, low-sodium broth, and a blend of Mediterranean herbs like oregano and thyme.

Healthy Creole and Southern Fish Favorites

Explore our collection of heart-healthy seafood and Southern fish recipes that deliver authentic Creole flavor while staying low in saturated fat and sodium.

Flavorful Cajun and Creole Sides

Complete your meal with these nutritious southern-inspired side dishes, designed to pair perfectly with blackened fish using wholesome, fiber-rich ingredients.

Ingredient Spotlight: Red Snapper

  • Red Snapper: Red snapper is a firm-fleshed fish found in the Gulf of Mexico and the Atlantic. It has a mild, slightly sweet flavor that serves as the perfect canvas for bold spices. When buying, look for fillets with a bright red skin and clear, firm flesh to ensure the highest quality for blackening.
  • Creole Seasoning: The soul of this dish lies in the Creole seasoning. Unlike "Cajun" blends which are often heavy on heat, Creole seasoning is a herbal-heavy mix including thyme, oregano, and basil. Our homemade version skips the excess salt, focusing instead on the aromatic punch of garlic, onion, and various peppers.

Healthy Variations

  • Creamy Creole Sauce: For a richer texture for cream sauce, stir in 2 tablespoons of plain non-fat Greek yogurt into the sauce after removing it from the heat.
  • Mild Version: Reduce the cayenne and hot sauce by half if you prefer a savory flavor profile without the spicy kick.

Ingredients

Recipe yields 4 servings

Snapper

Creole Sauce

Blackened Seasoning

Directions

Snapper

  1. Heat a large skillet over medium heat. Brush red snapper with 1 tablespoon melted butter; sprinkle with blackened seasoning. Place, skin side down, in hot skillet; drizzle 1/2 tablespoon melted butter over fillets. Cook for about 4 minutes, or until blackened; turn fillets carefully and drizzle remaining 1/2 tablespoon butter over fillets. Cook for 2 to 3 minutes. Serve with Creole sauce.

Creole Sauce

  1. Step 1

    In a medium saucepan, heat 1 tablespoon butter and oil over medium low heat. Add garlic, onions, peppers and celery. Sauté vegetables for about 2 minutes, or until just tender.

  2. Step 2

    Meanwhile, in a small cup, combine the paprika, Creole seasoning, thyme, oregano, basil, Worcestershire sauce, hot-pepper sauce and black pepper. Stir tomatoes and seasoning mixture into the vegetables. Sauté for 1 minute longer.

  3. Step 3

    Add chicken broth and bring to a boil. Stir in the scallions. Simmer, uncovered, for 10 minutes or until the mixture thickens. Stir in the tomato paste until fully blended. Remove from heat and stir in the remaining 2 tablespoons butter.

Blackened Seasoning

  1. In a bowl, mix the blackened seasoning ingredients well and funnel into a shaker.

Nutrition Facts

Serving Size:
4 oz fillets, 2 Tbsp creole sauce

177
Calories
8
g
Fat
40
mg
Cholesterol
103
mg
Sodium
1
g
Carbs
5
g
Sat. Fat
0
g
Fiber
23
g
Protein

Alternative Cooking Methods

  • Air Fryer: Place seasoned fillets in the air fryer basket at 400°F for 8–10 minutes, flipping halfway through, until the exterior is dark and the fish flakes easily.
  • Oven Baked: Bake the fillets at 425°F for 12–15 minutes. While you won't get the same "char" as a skillet, it’s a great oil-free method for busy weeknights.

Serving & Storage Tips

  • Serving: Spoon the Creole sauce under the fish if you want to keep the blackened crust as crisp as possible. Garnish with extra sliced scallions or fresh parsley for a pop of color.
  • Storage: Store the fish and sauce in separate airtight containers in the refrigerator for up to 2 days.
  • Reheating: To maintain texture, reheat the snapper in a pan over medium heat or in an air fryer at 350°F for 3–5 minutes. Reheat the sauce gently on the stovetop.

What to Serve with This Blackened Red Snapper

To round out this meal, pair your snapper with high-fiber sides that soak up the delicious Creole sauce. Brown rice or quinoa are perfect bases, while roasted okra or a crisp green salad add a refreshing crunch. For a more traditional feel, serve it alongside a piece of low-sodium cornbread.

Ingredient Substitutions

If you can't find red snapper, tilapia, cod, or grouper are excellent firm white fish substitutes that stand up well to the blackening process.

Use a high-quality vegetable broth if you prefer to avoid chicken broth; just ensure it is low-sodium.

For an even more heart-healthy profile, you can swap the butter for a light avocado oil, which has a high smoke point perfect for blackening.

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