You know how good fish is for you – now here’s another quick, easy & delicious way to prepare it! This recipe works great with any mild white fish such as cod, halibut, tilapia, or mahi-mahi, and also works well with tuna or salmon. Pair with some tasty low carb veggies or a salad and you’ve got yourself a yummy Paleo, low carb, Keto, CleanKeto, Whole30 and detox-friendly meal that’s good for any night of the week, and is fancy enough for company too!

Mustard Crusted Fish

Prep Time5 minutes
Cook Time15 minutes
Total Time20 minutes
Course: Main Course
Cuisine: Mediterranean
Keyword: cleanketo, detox, keto, low carb, paleo, whole30
Servings: 4
Calories: 252kcal


  • ¼ cup Dijon mustard
  • 1 tsp stone ground mustard
  • 1 tsp sea salt
  • ¼ tsp black pepper
  • 1 lb fish fillets or fish steaks
  • 4 Tbsp almond flour
  • 3 Tbsp avocado or coconut oil


  • Preheat oven to 375°F.
  • Combine mustards, sea salt, and black pepper in a small bowl, and coat the non-skin side of the fish fillets with the mustard mixture.
  • Sprinkle almond flour evenly over mustard coating, pressing gently to form a crust.
  • Coat the bottom of the roasting pan with oil and add the halibut fillets, skin side down.
  • Bake for 15 minutes or until the fish is just cooked through and the topping is beginning to brown.
  • Add salt and pepper to taste and serve.


Calories: 252kcal | Carbohydrates: 2g | Protein: 25g | Fat: 16g | Saturated Fat: 2g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 0.003g | Cholesterol: 57mg | Sodium: 825mg | Potassium: 369mg | Fiber: 2g | Sugar: 0.5g | Vitamin A: 13IU | Vitamin C: 0.1mg | Calcium: 38mg | Iron: 1mg