Keto Cajun Blackened Tuna Recipe

Atkins Keto Cajun Blackened Tuna
Net Atkins Count TM
Prep Time: 5 Minutes
Cook Time: 10 Minutes
Phase: Phase 1
Difficulty: Difficult
* Any adjustments made to the serving values will only update the ingredients of that recipe and not change the directions.









calculator How to Calculate Atkins Net Carbs

How to Calculate Atkins Net Carbs

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  • 0 1/2 tbsp Paprika
  • 0 1/2 tsp, leaves Oregano
  • 0 1/2 tsp Garlic Powder
  • 0 1/2 tsp Onion Powder
  • 0 1/2 tsp Salt
  • 0 1/4 tsp Cumin
  • 0 1/4 tsp Black Pepper
  • 0 1/8 tsp Red or Cayenne Pepper
  • 1 tablespoon Unsalted Butter Stick
  • 16 oz, boneless, raw Tuna


  1. Heat oven to 400°F.
  2. Combine paprika, oregano, garlic powder, onion powder, salt, cumin, pepper and cayenne pepper on a plate. Rub room temperature butter over tuna steaks. Press tuna steaks into herb mixture; gently rub herbs onto fish.
  3. Heat a large heavy ovenproof skillet (cast iron works great) over high heat for 2 minutes or until skillet smokes. Cook tuna steaks 1 minute on each side. They will make some smoke this is normal. Transfer skillet to oven and roast fish 5 minutes for medium rare doneness.Cut each steak in half before serving.

Cooking Tip

Have a hard time telling when fish is cooked? If it flakes when scraped by a fork, it's good to go.