Equipment
Ingredients
Tuna
- 680 g yellowfin tuna steak, fresh or thawed, 2.5 cm thick cuts
- 4 g fine sea salt
- 2 g black pepper, coarsely ground
Aromatics and Braising Base
- 30 ml extra virgin olive oil
- 80 g shallot, finely diced
- 15 g garlic, thinly sliced
- 250 g cherry tomato, halved
- 100 g pitted kalamata olive, halved lengthwise
- 20 g caper, drained and rinsed
- 180 ml dry white wine
- 120 ml fish stock
Garnish and Finishing
- 10 g flat-leaf parsley, finely chopped
- 4 g fresh oregano, minced leaves
- 2 g lemon zest, finely grated
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 406 kcal
- Protein
- 44 g
- Carbohydrates
- 14 g
- Fat
- 15 g
- Fiber
- 3 g
- Sugar
- 5 g
- Sodium
- 1058 mg
- Saturated Fat
- 1 g
- Potassium
- 943 mg
- Calcium
- 50 mg
- Iron
- 2.4 mg
- Magnesium
- 78 mg
- Phosphorus
- 511 mg
- Zinc
- 0.8 mg
- Vitamin A
- 43 mcg
- Vitamin C
- 7 mg
- Water
- 179 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Pat the tuna steaks dry on all surfaces with paper towels on a cutting board, then immediately dispose of the paper towels and sanitize hands and cutting board to prevent cross-contamination.
Season both sides of each tuna steak evenly with 2 g of fine sea salt and 1 g of coarsely ground black pepper.
Heat 30 ml of extra virgin olive oil in a large deep skillet over medium-high heat at 190°C (375°F) until the oil shimmers across the pan base.
Place the seasoned tuna steaks into the hot skillet with tongs and sear undisturbed for 90 seconds per side, then immediately transfer the steaks onto a clean plate.
Reduce heat to medium at 160°C (320°F), add 80 g of finely diced shallots and 15 g of sliced garlic to the residual oil, and sauté with a wooden spoon for 2 minutes until translucent and aromatic.
Add 250 g of halved cherry tomatoes, 100 g of halved kalamata olives, and 20 g of rinsed capers to the skillet, stirring continuously for 2 minutes until tomato skins start to blister.
Pour 180 ml of dry white wine into the skillet and scrape up any caramelized fond from the pan bottom with the wooden spoon, boiling vigorously at 100°C (212°F) for 2 minutes until reduced by half.
Stir in 120 ml of fish stock, 2 g of fine sea salt, and 1 g of coarsely ground black pepper, bringing the braising broth to a gentle simmer at 88°C (190°F).
Nestle the seared tuna steaks and any accumulated juices into the simmering broth with tongs, cover tightly with the skillet lid, reduce heat to low, and braise for 8 minutes until the center of the tuna reaches a safe minimum internal temperature of 63°C (145°F) measured with an instant-read thermometer.
Remove the skillet from the heat, remove the lid, and scatter 10 g of chopped parsley, 4 g of minced fresh oregano, and 2 g of grated lemon zest over the tuna steaks and surrounding sauce, allowing it to rest for 2 minutes.
Transfer each tuna steak with tongs onto individual serving plates and spoon the warm Kalamata olive, tomato, and white wine braising sauce evenly over the top.
Chef's Notes
- Choose thick steaks cut to at least 2.5 cm; thinner cuts will overcook during the initial sear and lose their succulence during the braise.
- Use an unoaked, dry white wine with crisp acidity such as Pinot Grigio, Sauvignon Blanc, or Vermentino; oaky wines contain tannins that clash with fish.
- Rinsing the capers eliminates heavy salt crusting while preserving the desirable floral pickled punch.
- Because tuna is lean compared to oily fish like salmon, gentle steam heat under a snug lid is critical to tenderize the muscle fibers without drying them out.
Storage
Refrigerator: 2 days — Cool promptly and store in an airtight container within 2 hours of cooking.
Reheating: Reheat gently in a covered skillet over low heat with 30 ml of water or fish stock until the tuna reaches a safe internal temperature of 74°C (165°F).
Troubleshooting
Tuna meat feels firm and dry instead of tender
Cause: The braising time was extended or pan simmered too aggressively, driving internal temperature far above 63°C (145°F).
Fix: Spoon generous quantities of the olive oil and tomato braising sauce over the steaks to restore external moisture.
Prevention: Check internal temperature promptly at the 6-minute mark using an instant-read thermometer and maintain a very low simmer under a tight lid.
Braising sauce tastes unpleasantly alcoholic or sharp
Cause: The white wine was not reduced long enough during the deglazing step before adding stock and tuna.
Fix: Lift tuna steaks out temporarily onto a plate, boil the sauce vigorously for 2 minutes to cook off raw alcohol, then return tuna to the sauce.
Prevention: Ensure the wine reduces by a full 50% at a vigorous boil before introducing stock.
Sauce is overly salty
Cause: Kalamata olives and capers released concentrated brine into the reducing broth.
Fix: Stir in 30 ml to 50 ml of unsalted water or low-sodium stock and a light squeeze of fresh lemon juice to balance salinity.
Prevention: Thoroughly rinse capers under cold running water and drain olives before adding them to the pan.
Cultural Context
Braised tuna in white wine and tomato broth is a hallmark of Southern Italian coastal cooking, particularly across Sicily and Calabria where swordfish and tuna fisheries have operated since antiquity. Traditional preparations like tonno alla ghiotta pair hearty game fish with native olives, capers, and crisp regional wines to soften dense steaks while celebrating Mediterranean maritime staples. This braising technique historically offered a foolproof method for fishermen to ensure fresh pelagic catches remained juicy and richly flavored over open flame hearths.
