For the best flavor, use high-quality red wine vinegar and fresh, sushi-grade tuna. The caramelized onions are the heart of this dish, so be patient and allow them to develop a deep, rich flavor. Serve with a side of crusty bread to soak up the delicious sweet and sour sauce.
Sweet and Sour Sicilian Tuna
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PREP TIME5 mins
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COOK TIME35 mins
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TOTAL TIME40 mins
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SERVING4 People
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VIEWS111
Transport yourself to the sun-kissed shores of Sicily with this captivating Sweet and Sour Tuna. A delightful play of sweet and tangy flavors, this dish is a true Mediterranean masterpiece, perfect for a special occasion or an elegant weeknight meal.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate58 g
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Cholesterol77 mg
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Fiber1 g
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Protein40 g
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Saturated Fat2 g
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Sodium64 mg
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Sugar52 g
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Fat12 g
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Unsaturated Fat0 g
Follow The Directions
01
Step
20 mins
In a heavy-bottomed skillet, heat olive oil over medium heat. Add the chopped onion and cook, stirring occasionally, until softened and translucent, approximately 5 minutes. Reduce heat to medium-low and continue cooking, stirring frequently, until the onion is deeply caramelized and a rich, dark brown color, about 15-20 minutes. Transfer the caramelized onion to a plate and set aside.
02
Step
4 mins
Increase the heat to medium-high. Place the tuna steaks in the same skillet and sear until golden brown on each side, about 2 minutes per side for medium-rare. Adjust cooking time to your preference. Remove the tuna steaks from the skillet and place them on a warmed serving platter; keep warm.
03
Step
5 mins
In the same skillet, combine the red wine vinegar and sugar. Stir constantly until the sugar is completely dissolved. Return the caramelized onion to the skillet and simmer, allowing the liquid to reduce and thicken slightly, approximately 5 minutes.
04
Step
4 mins
Gently place the seared tuna steaks back into the skillet with the sweet and sour onion mixture. Cook for an additional 3-5 minutes, spooning the sauce over the tuna to coat it evenly. Transfer the tuna steaks to the warmed serving platter. Spoon the sweet and sour onion sauce generously over the tuna and serve immediately.
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RECIPE REVIEWS
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Please Rate
Darwin Ebert
Jul 1, 2025Next time, I might try using balsamic vinegar for a slightly different flavor profile.
Edmond Ledner
Apr 1, 2025My family loved this! It's definitely going into our regular rotation.
Giovanna Klocko
Mar 19, 2025I added a tablespoon of capers as suggested, and it was a fantastic addition!
Sibyl Oconner
Mar 15, 2025The instructions were easy to follow, and the dish turned out beautifully.
Ibrahim Hane
Oct 26, 2024I used ahi tuna, and it worked perfectly.
Makenzie Sanford
Aug 12, 2024This recipe is amazing! The sweet and sour sauce is the perfect complement to the tuna.
Frederique Cartwright
Jul 6, 2024I was a little intimidated by the caramelizing onions, but it was so worth it. The depth of flavor is incredible.