Easy and Delicious Keto Blackened Cod with Avocado Salsa Recipe for a Healthy Meal

Keto Blackened Cod with Avocado Salsa: A Flavorful Journey

Embark on a culinary adventure with this mouth-watering Keto Blackened Cod with Avocado Salsa. It’s a dish that promises a symphony of flavors while keeping your macros in check. For those on a ketogenic journey, finding a recipe that is both delicious and compliant with your dietary needs can be a challenge. This dish not only meets those requirements but exceeds them with its perfect blend of smoky, spicy cod and fresh, zesty avocado salsa.

Whether you’re a seasoned keto dieter or just looking for a healthy, low-carb meal, this recipe is sure to impress. It’s packed with high-quality fats and proteins, essential for maintaining ketosis, and it’s low in carbohydrates, making it an ideal choice for your keto lifestyle. Plus, it’s incredibly easy to prepare, which means you can enjoy a gourmet meal without the hassle.

Keto Blackened Cod with Avocado Salsa

The Story Behind This Keto Delight

The inspiration for this Keto Blackened Cod with Avocado Salsa comes from a fusion of traditional American blackening techniques and the bright flavors of Mexican salsa. It’s a testament to how a keto diet can be both nutritious and bursting with flavor. This dish is particularly close to my heart as it brings together the best of both worlds – the satisfaction of a hearty meal and the benefits of keto-friendly ingredients.

Cod is an excellent choice for a keto meal, as it’s naturally low in fat and high in protein. When paired with the healthy fats from avocado and olive oil, it becomes a balanced keto meal that can help you stay on track. The spices used in the blackening seasoning, such as paprika, garlic powder, and cayenne pepper, are not only carb-free but also packed with antioxidants and have metabolism-boosting properties.

Avocado, the star of the salsa, is a keto superfood. It’s rich in monounsaturated fats, which are heart-healthy and can help keep you feeling full longer. The addition of other fresh ingredients like tomato, red onion, and cilantro adds nutrients and fiber, which are essential for a well-rounded keto diet.

Each ingredient in this dish has been carefully selected to create a balance of flavors and textures. The smokiness of the blackened cod contrasts beautifully with the cool, creamy avocado salsa. It’s a combination that not only tastes great but also provides the nutritional profile that someone on a ketogenic diet needs.

Preparing Keto Blackened Cod with Avocado Salsa

Mastering the Method

The key to perfecting this Keto Blackened Cod with Avocado Salsa lies in the preparation and cooking techniques. Let’s dive into some chef’s tips to elevate this dish from good to great.

Firstly, when mixing your blackening seasoning, ensure that your spices are fresh for the most potent flavor. As you coat the cod fillets, press the seasoning gently into the fish to create a crust that will sear beautifully and lock in the spices.

When heating your non-stick skillet, wait until it’s just smoking before adding the cod. This will help achieve that desirable blackened crust without overcooking the delicate fish. Remember, the cod should release easily from the pan when it’s ready to flip, so resist the urge to move it around too soon.

For the avocado salsa, the trick is in the dice. Keep your avocado and tomato pieces uniform for a salsa that’s not only aesthetically pleasing but also mixes well, ensuring every bite has a harmonious blend of flavors. Adding the lime juice promptly after dicing the avocado will help prevent browning and add a zesty kick to the salsa.

Finally, let the cooked cod rest for a couple of minutes after removing it from the heat. This allows the juices to redistribute, ensuring that each bite is moist and flavorful. Serve the cod with a generous portion of salsa, and don’t forget to add a final pinch of salt to taste just before serving to brighten up all the flavors.

Keto Blackened Cod with Avocado Salsa Ready to Serve

Variations to Spice Up Your Keto Blackened Cod

Herb-Infused Olive Oil

Enhance the flavor of your cod by using herb-infused olive oil. Rosemary, basil, or thyme-infused oils can add a new dimension to the fish. Simply replace the regular olive oil with your choice of infused oil when brushing the cod fillets.

Citrus Twist

For a citrusy variation, add zest from the lime into the avocado salsa. You can also experiment with other citrus fruits like lemon or orange to give the dish a refreshing twist. This not only brightens the flavor profile but also adds an extra dose of vitamin C.

Spicy Salsa Upgrade

If you love heat, don’t hold back on the jalapeño. Add an extra minced jalapeño to the salsa, or include a dash of your favorite hot sauce for an extra kick that will complement the blackened crust of the cod.

Substitutions for Dietary Needs and Preferences

While this recipe is designed to be keto-friendly, there may be times when you need to make substitutions based on availability, allergies, or personal preference. Here are some keto-friendly options:

For those who don’t enjoy cod, you can easily substitute it with another firm white fish like halibut or mahi-mahi. These fish have a similar texture and will hold up well to the blackening process.

If you’re not a fan of cilantro, parsley can be a suitable replacement in the avocado salsa. It offers a fresh, slightly peppery flavor that pairs well with the other ingredients.

In case you’re out of fresh tomatoes for the salsa, drained canned diced tomatoes (preferably with no added sugar) can be a convenient alternative. Just be sure to check the carb content if you’re strictly monitoring your intake.

Frequently Asked Questions

Can I make this dish ahead of time?

While the cod is best served fresh, you can prepare the blackening seasoning and avocado salsa ahead of time. Store them separately in the refrigerator until you’re ready to cook the fish.

Is this recipe spicy?

The level of spice can be adjusted to your preference. Feel free to reduce or increase the amount of cayenne pepper in the seasoning to suit your taste buds.

Can I grill the cod instead of pan-searing?

Yes, grilling is a fantastic alternative to pan-searing. Just make sure your grill grates are well-oiled to prevent sticking, and maintain a medium-high heat for the best results.

How do I store leftovers?

Leftover cod and salsa should be stored separately in airtight containers in the refrigerator. They will keep for up to 2 days.

Can I use frozen cod for this recipe?

Absolutely. Just ensure the cod is fully thawed and patted dry before seasoning and cooking to achieve the perfect blackened crust.

Keto Blackened Cod with Avocado Salsa

This Keto Blackened Cod with Avocado Salsa is a tantalizing dish that combines the smoky, spicy flavors of perfectly seasoned cod with the fresh zestiness of avocado salsa. It's a low-carb meal that's high in good fats and protein, making it perfect for anyone following a ketogenic diet.
No ratings yet
Prep Time 15 minutes
Cook Time 10 minutes
Total Time 25 minutes
Course Dinner
Cuisine American
Servings 4 servings
Calories 350 kcal


  • Small mixing bowl
  • Measuring spoons
  • Paper towels
  • Non-stick skillet
  • Medium mixing bowl


Blackened Cod

  • 4 fillets cod 6 ounces each / 170 grams each
  • 2 tbsp olive oil 30ml
  • 1 tbsp paprika 6.8 grams
  • 1 tsp garlic powder 3.1 grams
  • 1 tsp onion powder 2.1 grams
  • 1 tsp dried thyme 1 gram
  • 1 tsp dried oregano 1 gram
  • 1 tsp cayenne pepper 2 grams, adjust to taste
  • 1 tsp black pepper 2.3 grams
  • 1 tsp salt 5 grams

Avocado Salsa

  • 2 avocados diced, 300 grams
  • ½ red onion finely chopped, 50 grams
  • 1 small tomato diced, 100 grams
  • 1 jalapeño seeded and minced, 14 grams
  • 1 lime juice of, 2 tablespoons / 30ml
  • ¼ cup fresh cilantro chopped, 4 grams
  • salt to taste


  • In a small bowl, combine paprika, garlic powder, onion powder, dried thyme, dried oregano, cayenne pepper, black pepper, and salt. Mix well to create the blackening seasoning.
  • Pat the cod fillets dry with paper towels. Brush each fillet with olive oil, then rub the seasoning mix over both sides of the fillets, ensuring they are well coated.
  • Heat a non-stick skillet over medium-high heat. Once hot, place the cod fillets in the skillet and cook for about 4-5 minutes on each side, or until the fish flakes easily with a fork and has a nice crust.
  • While the cod is cooking, prepare the avocado salsa. In a medium bowl, combine the diced avocados, red onion, tomato, jalapeño, lime juice, and cilantro. Gently toss to mix and add salt to taste.
  • Once the cod is done, remove from heat and let it rest for a moment.
  • Serve the blackened cod fillets with a generous scoop of the fresh avocado salsa on top.


Adjust the cayenne pepper according to your heat preference.
The fish is best served fresh, but you can store the leftover cod and salsa separately in the fridge for up to 2 days.
For an extra kick, serve with a wedge of lime to squeeze over the top.


Calories: 350kcalCarbohydrates: 9gProtein: 30gFat: 22gFiber: 5gNet Carbs: 4g
Keyword Avocado Salsa, Keto Blackened Cod, Keto Dinner, Low Carb Fish Recipe
Tried this recipe?Let us know how it was!

Leave a Comment

Recipe Rating