A Smashing Sheet-Pan Recipe for Tuna Lovers | Dish on Fish
#SeafoodSunday/ Tuna

A Smashing Sheet-Pan Recipe for Tuna Lovers

We are eating a lot of tuna right now! Give us ALL the tuna – steaks, tuna burgers, tuna sandwiches, tuna salads  (and spoiler alert we are testing a new Tuna Puttanesca recipe for the blog). Why? We love that it is plentiful and sustainably caught – plus  packed with essential nutrients such as omega-3 fatty acids, potassium, magnesium, iron, and vitamins A, B6 and B12. If you are wondering about enjoying it while pregnant or nursing, read our blog post on seafood and pregnancy tips.

In fact, tuna steak and potatoes is one of our favorite dinners, so today we’re sharing this bold and flavorful sheet-pan tuna steak recipe with you. Ready in just 30 minutes (and using a minimal number of ingredients), this heart-friendly dish is seasoned perfectly and will leave you full and satisfied. It’s a must-try!

This easy-to-make meal makes weeknight cooking totally stress-free. Believe us when we predict your family will be asking for seconds.

Sheet-Pan Lemon Herb Tuna Steak and Potatoes

Sheet-Pan Recipe

Source: Creme de la Crumb 

Prep Time: 15 minutes

Cook Time: 15 minutes

Servings: 4


  • 4 3/4-inch-thick tuna fillets
  • 6 tablespoons olive oil, divided
  • Juice of 1/2 lemon
  • 1 teaspoon salt, divided
  • 1/2 teaspoon pepper, divided
  • 1/2 teaspoon dried oregano, divided
  • 1/2 teaspoon dried thyme, divided
  • 1/4 teaspoon dried basil, divided
  • 1 teaspoon garlic powder, divided
  • 1 1/2 pounds baby red potatoes, halved
  • 4 tablespoons grated Parmesan cheese
  • Additional lemon slices for garnish (optional)


  1. Preheat oven to 450 degrees.
  2. Combine in a large resealable bag: the 4 tuna fillets, 4 tablespoons olive oil, the lemon juice, 1/2 teaspoon salt, 1/4 teaspoon pepper, 1/4 teaspoon oregano, 1/4 teaspoon thyme, 1/4 teaspoon basil and 1/2 teaspoon garlic powder.
  3. Seal the bag and massage the fillets to rub in the seasonings and evenly distribute all the ingredients. Chill bag for 15 minutes while you move on to the next steps.
  4. In a large bowl combine potatoes and remaining 2 tablespoons olive oil and toss to coat.
  5. Stir together remaining salt, pepper, oregano, thyme, and garlic powder. Sprinkle mixture over the potatoes and stir to combine. Arrange potatoes on half of a greased sheet pan and bake for 15 minutes.
  6. After tuna fillets have chilled for 15 minutes, place them on the empty half of the sheet pan and top them with lemon slices, if desired. Sprinkle Parmesan over the potatoes and return pan to the oven for 6 minutes. Then flip the tuna fillets and bake for another 6 minutes.
  7. Serve and enjoy!

Get the recipe from Creme de la Crumb Sheet-Pan Recipe here.

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