Ahi Tuna Croquettes Recipe: The Perfect Brunch Delight

October 20, 2024

Ahi Tuna Croquettes Recipe: Crispy Exterior, Tender Tuna Interior

These Ahi tuna croquettes use finely chopped sushi-grade tuna mixed with breadcrumbs, mayonnaise, Dijon mustard, capers, and parsley, shaped into patties, breaded in a flour-egg-panko coating, and pan-fried until golden. The refrigeration step (30 minutes minimum) is essential -- it firms the mixture and prevents the croquettes from falling apart in the pan. They can be shaped and breaded up to 24 hours in advance, making them ideal for brunch prep. Serve with a lemon-Dijon-sriracha dipping sauce.

Ahi Tuna Steaks | Saku Tuna Blocks

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Why Ahi Tuna for Croquettes?

Ahi tuna (yellowfin tuna) has a firm, meaty texture that holds up well when finely chopped and mixed with binders -- it does not become mushy or watery the way softer white fish can. Its mild, clean flavor pairs well with the bold condiments in the mixture (Dijon mustard, capers, garlic) without competing with them. Ahi tuna provides approximately 25g of complete protein per 3-ounce serving with meaningful quantities of vitamin B12, selenium, and EPA/DHA omega-3 fatty acids. The American Heart Association recommends eating fish rich in omega-3s at least twice a week as part of a heart-healthy diet.

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Ahi Tuna Croquettes Recipe

Makes: 8-10 croquettes | Active time: 20 minutes | Chill time: 30 minutes | Cook time: 15 minutes

Ingredients

Croquette Mixture

• 1 lb sushi-grade Ahi Tuna, finely chopped (not minced to a paste -- keep some texture)
• 1/2 cup panko breadcrumbs (panko produces a lighter, crispier result than regular breadcrumbs)
• 1/4 cup mayonnaise
• 2 tbsp Dijon mustard
• 1 egg, beaten
• 2 tbsp fresh flat-leaf parsley, finely chopped
• 1 small onion, very finely diced
• 1 tbsp capers, drained and finely chopped
• 1 garlic clove, very finely minced
• Salt and black pepper to taste

Breading Station

• 1/2 cup all-purpose flour
• 1 egg, beaten (separate from the egg in the mixture)
• 1/2 cup panko breadcrumbs

For Frying

• 1/4 cup neutral oil (avocado or vegetable oil) -- olive oil can be used but has a lower smoke point; neutral oil produces a cleaner fry

Lemon-Dijon Dipping Sauce

• 1/4 cup mayonnaise
• 1 tbsp fresh lemon juice
• 1 tsp Dijon mustard
• 1 tsp sriracha (optional; adjust to heat preference)
• Salt and black pepper to taste

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Instructions

Step 1: Make the Dipping Sauce

Whisk together mayonnaise, lemon juice, Dijon mustard, and sriracha. Season with salt and pepper. Taste and adjust -- add more lemon for acidity; more sriracha for heat. Refrigerate until serving. The sauce can be made up to 24 hours in advance.

Step 2: Prepare the Tuna Mixture

Finely chop the Ahi tuna -- aim for small, irregular pieces (approximately 1/4 inch) rather than a smooth paste; some texture in the mixture produces a better croquette. In a large bowl, combine the tuna with panko, mayonnaise, Dijon mustard, beaten egg, parsley, onion, capers, garlic, salt, and pepper. Fold gently -- do not overmix; overmixing compresses the mixture and produces a dense, homogeneous croquette rather than a textured one.

Step 3: Shape and Chill

Shape the mixture into 8-10 patties approximately 1/2 inch thick and 2-3 inches in diameter. Place on a baking sheet lined with parchment paper. Refrigerate for at least 30 minutes -- this is not optional; the chill firms the mixture and prevents the croquettes from falling apart in the pan. The shaped, unbreaded croquettes can be refrigerated for up to 24 hours before breading and frying.

Step 4: Bread the Croquettes

Set up a breading station: flour in one shallow bowl, beaten egg in a second, panko in a third. Working one at a time, dredge each croquette in flour (shake off excess), dip in egg (let excess drip off), then coat in panko (press gently to adhere). Place on the baking sheet. The breaded croquettes can be refrigerated for up to 24 hours before frying.

Step 5: Fry the Croquettes

Heat neutral oil in a large skillet over medium-high heat until shimmering. Fry the croquettes in batches -- do not crowd the pan; crowding lowers the oil temperature and produces soggy rather than crispy croquettes. Cook for 2-3 minutes per side until golden brown and crispy. Transfer to a plate lined with paper towels to drain. Serve immediately -- croquettes lose their crispiness quickly.

Baked Version

For a lighter preparation, bake at 400°F for 15-20 minutes, flipping halfway through. Spray or brush the croquettes lightly with oil before baking to promote browning. The baked version will be less crispy than the pan-fried version but still produces a good result.

Key Tips

• Chop, do not mince, the tuna -- some texture in the mixture produces a better croquette
• Fold gently -- do not overmix -- preserves texture
• Refrigerate at least 30 minutes before frying -- firms the mixture; prevents falling apart
• Do not crowd the pan -- crowding lowers oil temperature and produces soggy croquettes
• Use panko, not regular breadcrumbs -- panko produces a lighter, crispier exterior
• Serve immediately -- croquettes lose their crispiness quickly after frying

Ahi Tuna Steaks | Saku Tuna Blocks

Also see: Ahi Tuna Appetizer Recipe | Ahi Tuna Tartare Recipe | Top Seafood Dishes

Watch seafood preparation videos on the Global Seafoods YouTube Channel

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Frequently Asked Questions

Can I use frozen Ahi tuna for this recipe?

Yes -- thaw overnight in the refrigerator; pat dry thoroughly before chopping. Excess moisture in the tuna will make the mixture too wet and the croquettes will not hold their shape. Sushi-grade tuna has been frozen at -4°F (-20°C) or below for at least 7 days.

Can I bake the croquettes instead of frying them?

Yes -- bake at 400°F for 15-20 minutes, flipping halfway through; spray or brush with oil before baking. The baked version will be less crispy than the pan-fried version. Pan-frying produces a superior crust, but baking is a reasonable alternative if you prefer to avoid frying.

Can I prepare the croquettes ahead of time?

Yes -- shape and bread the croquettes up to 24 hours in advance; refrigerate on a parchment-lined baking sheet; fry just before serving. Do not fry in advance and reheat -- reheated croquettes lose their crispiness. The dipping sauce can also be made up to 24 hours in advance.

What other sauces work with Ahi Tuna Croquettes?

Tartar sauce (classic), aioli (garlic mayo), wasabi mayo (1 tbsp mayonnaise + 1 tsp wasabi paste; bold and Japanese-inspired), ponzu dipping sauce (citrus-forward; lighter than mayo-based sauces), or a simple squeeze of lemon with flaky sea salt.

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