Best Easy Tonno alla Piastra Recipe

Seared tuna steak cooked rare on a hot griddle, Italian-style. This high protein mediterranean dish is a fresh, healthy family dinner perfect for keto, dash, or weight loss meal plans.

Cook 15 min Difficulty EASY 280 kcal
#mediterranean #keto #DASH #high protein
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Ingredients
Main ingredients
  • Fresh tuna steak 12 oz
  • Lemon 1 pieces
  • Arugula (optional, for serving) 2 cups
  • Cherry tomatoes (halved, optional) 1 cup
Seasonings/Sauce
  • Extra virgin olive oil 2 tbsp
  • Sea salt 0.5 tsp
  • Black pepper 0.25 tsp
  • Fresh parsley (chopped) 2 tbsp
Nutrition summary
Carbohydrates 2 g 2%
Protein 40 g 57%
Fat 12 g 41%
Serving size 180g
Cooking steps
  1. 1

    Pat tuna steaks dry with paper towels. Drizzle 1 tbsp of olive oil and rub both sides with sea salt and black pepper.

  2. 2

    Preheat a cast iron griddle or heavy skillet over high heat until just smoking (about 3-4 minutes for optimal searing).

  3. 3

    Place the tuna steaks on the hot griddle. Sear for 1½–2 minutes on the first side without moving to develop a crisp, golden crust.

  4. 4

    Flip steaks using a thin metal spatula. Sear second side for 1–2 minutes more for rare center, adjusting time for thickness. Remove to plate to prevent overcooking.

  5. 5

    Rest the tuna steaks for 2 minutes. Slice and serve with a drizzle of remaining 1 tbsp olive oil, a squeeze of fresh lemon, chopped parsley, and optionally over a bed of arugula and cherry tomatoes.

Personalized Q&A
Q. What's the key ingredient in this recipe?
Fresh tuna steak is the core ingredient and defines both the flavor and texture of Tonno alla Piastra. Its rich, clean taste is complemented by simple seasonings and a quick sear that preserves tenderness.
Q. What cooking technique ensures tuna stays rare and succulent?
Using a very hot griddle for a short sear on each side—about 1½–2 minutes—ensures the tuna forms a flavorful crust while the center remains rare. High heat and precise timing are key to avoid overcooking.
Q. How do I prevent my tuna steak from drying out?
Patting the tuna dry, oiling before cooking, and removing it from the heat promptly when just seared keeps it moist. Resting for 2 minutes before slicing also preserves juiciness.
Q. How many calories and protein are in each serving?
Each 180g serving contains about 280 kcal and 40g of protein, making this recipe high in protein and satisfying while remaining lean.
Q. Is this dish suitable for Mediterranean, keto, or DASH meal plans?
Yes, Tonno alla Piastra fits these meal plans with its focus on lean seafood, olive oil, very low carbs (2g per serving), and balanced fat. It's a smart choice for protein-rich, heart-healthy dining.
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