Grilled Tuna with Caramelized Onions, Cinnamon and

Name: Grilled Tuna with Caramelized Onions, Cinnamon and Mint
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons extra-virgin olive oil; 2 large onions, halved and thinly sliced; 1 tablespoon sugar; 2 cinnamon sticks; Pinch red pepper flakes; Kosher salt and freshly ground black pepper; 1/4 cup red wine vinegar; 1/4 cup chopped fresh mint; 1/4 cup chopped fresh parsley, plus whole leaves for garnish; 4 tuna steaks, 1 1/2-inches thick; 2 tablespoon canola oil

Servings: persons

2 tablespoons extra-virgin olive oil
2 large onions, halved and thinly sliced
1 tablespoon sugar
2 cinnamon sticks
Pinch red pepper flakes
Kosher salt and freshly ground black pepper
1/4 cup red wine vinegar
1/4 cup chopped fresh mint
1/4 cup chopped fresh parsley, plus whole leaves for garnish
4 tuna steaks, 1 1/2-inches thick
2 tablespoon canola oil

1
Heat the olive oil over medium heat in a large saute pan.
2
Add the onions, sugar, cinnamon and red pepper flakes and sprinkle with salt and pepper.
3
Cook, stirring occasionally, until the onions are golden brown and caramelized, about 30 minutes.
4
Stir in a few tablespoons of water and the vinegar.
5
Taste and season with salt and pepper.
6
Stir in the mint and chopped parsley just before serving.
7
Heat the grill to high for direct grilling.
8
Brush the tuna on both sides with the canola oil and sprinkle with salt and pepper.
9
Grill the tuna until golden brown and slightly charred on both sides and cooked to medium-rare doneness, about 2 minutes each side.
10
Slice the tuna steaks thickly across the grain and shingle them on a serving platter.
11
Spoon the onion mixture down the center.
12
Keep at room temperature about 15 minutes before serving.

570

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 11 ingredients. The key ingredients include: 2 tablespoons extra-virgin olive oil, 2 large onions, halved and thinly sliced, 1 tablespoon sugar, 2 cinnamon sticks, and more.

Yes, Grilled Tuna with Caramelized Onions, Cinnamon and Mint falls under the Seafood category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Grilled Tuna with Caramelized Onions, Cinnamon and Mint

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions