How to Make Grilled Tuna Steak (Traditional & Healthy Version)
Grilled Tuna Steak is a celebrated dish along Sri Lanka’s coastal regions, where the Indian Ocean’s bounty provides locals with fresh, flavorful seafood. This authentic Sri Lankan recipe brings together meaty tuna steaks marinated with native spices, fresh lime, and aromatic curry leaves, then grilled to perfection. The resulting dish is both succulent and aromatic, embodying the vibrant flavors of Sri Lankan coastal cuisine. The char from grilling elevates the naturally rich taste of tuna while keeping it light and perfect for health-conscious eaters. Traditionally, grilled tuna steak is served with a side of sambol or fresh salads, making it an ideal meal for those looking for high-protein, low-carb options. Its simplicity and bold flavor profile are cherished by locals and visitors alike, making it a staple at beachside gatherings and family meals. Whether you’re exploring Sri Lankan cuisine for the first time or seeking a nutritious seafood option, this dish offers a true taste of the island’s culinary heritage.
Ingredients
- 2 (about 150g each) Fresh tuna steaks (yellowfin tuna preferred, locally called 'Kelawalla')
- 2 tablespoons Lime juice (freshly squeezed)
- 1 tablespoon Coconut oil (for brushing)
- 1/2 teaspoon Turmeric powder (adds color and flavor)
- 1/2 teaspoon Ceylon black pepper (freshly ground)
- 1/2 teaspoon Salt (to taste)
- 2 cloves Garlic (finely minced)
- 1/2 teaspoon Red chili powder (adjust for spice level)
- 6-8 leaves Curry leaves (fresh if possible)
- 1 teaspoon Crushed ginger (freshly grated)
Step-by-step instructions
Step 1 · Rinse tuna steaks under cold water and pat dry with paper towels
Rinse tuna steaks under cold water and pat dry with paper towels. Place them in a shallow dish.
Step 2 · In a bowl
In a bowl, mix lime juice, turmeric powder, black pepper, salt, garlic, red chili powder, crushed ginger, and torn curry leaves to form a marinade.
Step 3 · Coat the tuna steaks with the marinade
Coat the tuna steaks with the marinade, massaging gently to ensure full coverage. Cover and refrigerate for at least 10 minutes.
Step 4 · Preheat a grill pan or outdoor grill to medium-high
Preheat a grill pan or outdoor grill to medium-high. Brush grill grates lightly with coconut oil to prevent sticking.
Step 5 · Place marinated tuna steaks on the grill
Place marinated tuna steaks on the grill. Cook each side for 3-4 minutes, turning once, until just cooked through but still moist in the center.
Step 6 · Remove from grill and let rest for 2 minutes
Remove from grill and let rest for 2 minutes. Serve immediately with a wedge of lime and fresh salad or pol sambol.
Step 7 · Garnish with extra curry leaves if desired
Garnish with extra curry leaves if desired.
Why this recipe is healthy
This Sri Lankan Grilled Tuna Steak is grilled instead of fried, minimizing added fats and calories. The recipe uses heart-healthy coconut oil and aromatic spices, avoiding heavy sauces or processed ingredients. It’s packed with high-quality protein, supports muscle growth, and is naturally low in carbs, making it ideal for those seeking a balanced and nutritious meal.
A note on tradition
Seafood is central to Sri Lankan coastal cuisine, with grilled fish and tuna being staple dishes in fishing communities from Negombo to Galle. Grilled Tuna Steak is often prepared for family meals, festive beach gatherings, and as a nutritious lunch. The use of curry leaves, lime, and native spices reflects the island’s culinary traditions, balancing flavor and nutrition in every bite.