Blackstone Tuna Steaks is a delicious weeknight meal. These Tuna Steaks are seasoned and cook quickly on the Blackstone Griddle.

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Tuna Steaks sliced on a plate

Blackstone Tuna Steaks Recipe:

Tuna steak on Blackstone griddle is a quick and easy to prepare this high protein meat. All you need to season the tuna steak is black pepper and salt. The results are a delicious tuna steak that cooks quickly on the griddle.

Cooking the Tuna Steaks on the griddle gives the tuna so much flavor. You will love that this tuna steaks cook evenly and quickly for an easy weeknight meal. Add your favorite sides to complete this meal.

Ingredients - tuna steaks, avocado oil, pepper and salt

Ingredients: 

  • Tuna Steaks (6-8 ounces each)
  • Avocado Oil 
  • Black Pepper 
  • Coarse Sea Salt 

How to Cook Tuna Steak on Blackstone:

  • Step 1 – Preheat the Blackstone grill to as hot as it will get (approximately 500-700 degrees F). 
  • Step 2 – Pat the tuna steaks dry. Rub the ½ the oil onto all sides of the tuna steaks. 
  • Step 3 – Mix together the salt and pepper and pour it on a plate. Press both sides of the tuna steaks into the mixture to coat it with the seasoning mixture. 
Dry the tuna steaks and seasoning the tuna steaks
  • Step 4 – Drizzle the remaining oil onto the Blackstone Grill and use a spatula to spread it out.  
  • Step 5 – Place the tuna steaks on the Blackstone Grill over the oil.  Cook until well-seared and the tuna starts to release itself from the grill (approximately 1-2 minutes). 
  • Step 6 – Flip the tuna and cook the other side for 1-2 minutes as well until browned.
  • Step 7 – You can also sear the short sides of the tuna by using tongs to turn the tuna steaks on their sides and grilling for a few minutes. If you measure the internal temperature of the tuna steaks they should be approximately 115-125 degrees F. The middle of the tuna should still be pink.  
Cooking the tuna steaks on a griddle
  • Step 8 – Remove the tuna from the Blackstone grill, slice the tuna against the grain and serve immediately.  
Tuna Steaks sliced on a plate with a side green salad

How to Cook on a Skillet:

If you prefer, you can cook the Tuna Steak on a skillet indoors. We recommend cooking the tuna steak in a cast iron skillet as the results will be similar cooking on the griddle.

  • Heat oil in a Cast Iron Skillet. Make sure the skillet is very hot before adding the fish.
  • Place the fish in the heated skillet and sear for about 1 to 2 minutes on each side. Leave on longer depending on how thick your tuna is.
  • Remove the tuna from the skillet and place on the cutting board. Slice the tuna steak and serve.
Tuna Steaks sliced on a plate

How to Know when Tuna Steaks are Cooked:

It only takes a few minutes to cook tuna on the griddle. The center of the tuna steaks will still be pink. You can use a meat thermometer to check the temperature of the tuna.

The temperature will read about 115 to 125 degrees.

Tuna Steaks sliced on a plate

What to Serve with Tuna Steaks:

Tuna Steaks can be served many different ways. These are some of our favorite ways.

  • Serve the tuna steak topped with sesame seeds and chopped green onions. I also like to squeeze fresh lime over the top.
  • Make a rice bowl with the sliced tuna steaks. Top with a spicy sauce for a complete meal idea.
  • Make a green salad topped with tuna steaks.
  • See What to Serve with Tuna Steak
Tuna Steaks sliced

Seasoning Variation Ideas:

  • Blackened Seasoning
  • Cajun Seasoning
  • Seasoning Salt

How to Store Leftovers:

Refrigerate the leftovers in an airtight container for up to 3-4 days.  

Tuna Steaks on a cutting board with fresh lemon

Tips for Cooking Tuna Steaks:

  • Cooking Tuna Steaks – We love cooking these tuna steaks to medium-rare.  If you prefer them slightly more cooked, move the steaks over to indirect heat on the grill (turn off half of the grill) until it’s cooked to the temperature you prefer.
  • Seasoning – Season the tuna steaks with salt and pepper but you can easily use other types of seasoning.
  • Heat Griddle – Make sure the griddle is hot and oil before placing the tuna steaks on the griddle.  

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Blackstone Tuna Steaks

5 from 20 votes
Blackstone Tuna Steaks is a delicious weeknight meal. These Tuna Steaks are seasoned and cook quickly on the Blackstone Griddle.
Prep Time 10 minutes
Cook Time 4 minutes
Total Time 14 minutes
Servings 4
Cuisine American
Course Main Course
Calories 313
Author Grill on a Dime

Ingredients

  • 4 Tuna Steaks (6-8 ounces each
  • 1 Tablespoon Avocado Oil
  • 1/4 cup Black Pepper
  • 2 Tablespoons Coarse Sea Salt

Instructions

  • Preheat the Blackstone grill to as hot as it will get (approximately 500-700 degrees F).
  • Pat the tuna steaks dry. Rub the ½ the oil onto all sides of the tuna steaks.
  • Mix together the salt and pepper and pour it on a plate. Press both sides of the tuna steaks into the mixture to coat it with the seasoning mixture.
  • Drizzle the remaining oil onto the Blackstone Grill and use a spatula to spread it out.
  • Place the tuna steaks on the Blackstone Grill over the oil.  Cook until well-seared and the tuna starts to release itself from the grill (approximately 1-2 minutes).  Flip the tuna and cook the other side for 1-2 minutes as well until browned. You can also sear the short sides of the tuna by using tongs to turn the tuna steaks on their sides and grilling for a few minutes. If you measure the internal temperature of the tuna steaks they should be approximately 115-125 degrees F. The middle of the tuna should still be pink.
  • Remove the tuna from the Blackstone grill, slice the tuna against the grain and serve immediately.

Nutrition Facts

Calories 313kcal, Carbohydrates 9g, Protein 41g, Fat 12g, Saturated Fat 3g, Polyunsaturated Fat 3g, Monounsaturated Fat 5g, Cholesterol 65mg, Sodium 3557mg, Potassium 626mg, Fiber 4g, Sugar 0.1g, Vitamin A 3792IU, Calcium 81mg, Iron 3mg

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More Blackstone Seafood Recipes:

Blackstone Tuna Steaks is a delicious weeknight meal. These Tuna Steaks are seasoned and cook quickly on the Blackstone Griddle. Tuna steak on Blackstone griddle is a quick and easy to prepare this high protein meat. All you need to season the tuna steak is black pepper and salt. The results are a delicious tuna steak that cooks quickly on the griddle. #grillonadime #blackstonetunasteaks #tunasteaks #blackstonerecipes

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