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Perfectly Seared Ahi Tuna Steaks with Garlic Herb Butter

Four thick slices of perfectly seared tuna steak, medium-rare inside, topped with melting herb garlic butter.
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Make restaurant-quality seared tuna steaks in under 15 minutes using a simple garlic herb butter. This recipe delivers a flavorful crust and tender center for a quick, healthy dinner.

Ingredients

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  • 2 (6-ounce) ahi tuna steaks, about 1 inch thick
  • 1 tablespoon olive oil
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon garlic powder
  • 4 tablespoons unsalted butter
  • 2 cloves garlic, minced
  • 1 tablespoon fresh parsley, chopped
  • 1 teaspoon fresh thyme leaves
  • 1 teaspoon lemon juice

Instructions

  1. Pat the tuna steaks completely dry using paper towels. This step helps create a good sear.
  2. In a small bowl, mix the salt, pepper, and garlic powder. Sprinkle this seasoning mix evenly over all sides of the tuna steaks.
  3. Heat the olive oil in a heavy-bottomed skillet, such as cast iron, over medium-high heat until it shimmers.
  4. Carefully place the seasoned tuna steaks in the hot skillet. Sear for 1.5 to 2 minutes per side for rare to medium-rare, depending on thickness. You want a deep brown crust.
  5. Remove the tuna steaks from the skillet and set them aside on a clean plate. Cover loosely with foil to rest.
  6. Reduce the heat to low. Add the butter to the same skillet. Once the butter melts, add the minced garlic, parsley, and thyme. Cook for about 30 seconds until the garlic is fragrant, being careful not to burn it.
  7. Remove the skillet from the heat. Stir in the lemon juice.
  8. Spoon the garlic herb butter evenly over the rested tuna steaks.
  9. Slice the tuna against the grain into half-inch thick pieces before serving immediately.

Notes

  • For a blackened tuna steak finish, substitute the seasoning mix with a pre-made Cajun spice blend.
  • If you prefer a soy-ginger flavor, marinate the tuna for 10 minutes in 2 tablespoons soy sauce, 1 tablespoon grated ginger, and 1 teaspoon honey before seasoning and searing.
  • Serve this dish with simple side dishes like charred corn salsa or a mixed greens salad.

Nutrition

Find it online: https://cookingbyfelix.com/tuna-steak-garlic-herb-butter-recipe/