Transform simple tilapia into an incredible spicy grilled fish that’s bursting with flavour! This healthy, protein-rich recipe delivers restaurant-quality results with aromatic spices and a perfectly crispy exterior. Ready in just 40 minutes for a nutritious, satisfying meal.

Why This Grilled Tilapia?
The secret lies in the spice marinade and proper preparation technique. Scoring the fish allows deep flavour penetration, whilst the lemon-salt soak removes any muddy taste, leaving you with perfectly seasoned, flaky fish with a beautiful spiced crust.
Ingredients
For the Fish:
- 1 whole tilapia fish (500-700g), cleaned
- 1 lemon, juiced
- 1 tablespoon salt (for soaking)
- 2 tablespoons olive or vegetable oil
Spicy Marinade:
- 1 teaspoon ground black pepper
- 1 teaspoon garlic powder
- 1 teaspoon paprika
- 1 teaspoon all-purpose seasoning
- 1 teaspoon dried basil
- ½ teaspoon ginger powder (optional)
- 1 Knorr chicken cube, crushed
- ¼ onion + 1 scotch bonnet pepper, roughly blended
Quick Method
Step 1: Prep the Fish (20 minutes)
- Clean thoroughly: Descale and gut tilapia, rinse well
- Lemon salt soak: Soak fish in cold water with salt and lemon juice for 15-20 minutes
- Drain and dry: Remove from water and pat completely dry
Step 2: Create the Marinade (5 minutes)
- Mix dry spices: Combine black pepper, garlic powder, paprika, all-purpose seasoning, dried basil, and ginger
- Add wet ingredients: Stir in crushed stock cube, blended onion-pepper mixture, and oil
- Create paste: Mix until you have a thick, spreadable marinade
Step 3: Marinate and Prep (65 minutes)
- Score the fish: Make 2 diagonal cuts on both sides of the fish
- Apply marinade: Using a brush, coat fish thoroughly inside and out, getting marinade into cuts
- Rest: Marinate for at least 1 hour for maximum flavour penetration
- Preheat oven: Set to 180°C during final 10 minutes of marinating
Step 4: Grill to Perfection (30-40 minutes)
- Position on rack: Place marinated fish on oven rack with tray underneath
- First side: Grill for 15-20 minutes until skin is crispy
- Flip carefully: Turn fish over using spatulas
- Finish cooking: Grill another 15-20 minutes until flesh flakes easily
- Rest and serve: Let cool for 5 minutes before serving
Pro Tips for Perfect Results
Proper scoring: Deep diagonal cuts allow marinade to penetrate the flesh Don’t skip the soak: Lemon-salt water removes any muddy flavours Marinating time matters: Minimum 1 hour, longer for deeper flavour Check doneness: Fish should flake easily and reach 63°C internal temperature
Serving Suggestions
Traditional pairings: Jollof rice, fried plantains, pepper sauce Healthy options: Steamed vegetables, quinoa, fresh salad West African style: With spicy tomato sauce and boiled yam Modern twist: Grilled vegetables and coconut rice
Nutritional Benefits
This healthy fish provides:
- High-quality protein for muscle building
- Omega-3 fatty acids for heart health
- Low calories perfect for weight management
- Essential vitamins including B12 and selenium
Storage and Reheating
Best fresh: Consume immediately for optimal texture Refrigerate: Store covered for up to 2 days Reheating: Warm gently in 160°C oven for 10 minutes Meal prep: Flake cooled fish for salads or rice bowls
Customisation Options
Spice level: Adjust scotch bonnet quantity to taste Herb variations: Try fresh thyme, rosemary, or coriander Different fish: Works brilliantly with sea bass, snapper, or mackerel Marinade boost: Add honey for caramelisation or lime for extra tang
Common Mistakes to Avoid
Underseasoning: Don’t be shy with the spice mixture Rushing marinade time: Flavour develops during the hour rest Overcooking: Fish continues cooking after removal from oven Skipping the soak: This step is crucial for clean-tasting fish
Prep Time: 25 minutes | Marinating: 1 hour | Cook Time: 35 minutes | Serves: 2-3 people | Difficulty: Easy
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