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Tuna with Parsley and Capers is a delicious and easy way to prepare tuna steaks. The parsley, caper, and lemon sauce enhances the flavor of the tuna remarkably well and gives this simple dish stunning appeal that you would expect from fine dining.

(Post modified on 2/9/24.)

My daughters tend to frown on tuna, especially canned. I grew up eating canned tuna, and I like a tuna salad sandwich, or even on lettuce leaves. When I had a chance to buy tuna steaks at the grocery store, I didn’t hesitate. The trick with Ahi Tuna is to only cook it for a little bit. You don’t want to overcook it or it will be tough. But when seared correctly, it’s so tender and delicious. And when you add the caper lemon sauce to the tuna, it transports the dish to a whole new level. Quite delicious!

I was first introduced to capers a few years ago when preparing sandwiches for a tea party and fell in love with their tart, briny flavor. Apparently, capers are grown in the Mediterranean and in arid to semi-arid countries. This green, unripened flower bud from the caper bush is considered “fruit,” and like olives, are pickled and salty.

Capers are wonderful in Egg Salad or in seafood dishes, such as my Smoked Salmon Mousse Sandwiches. You may even use the brine in dressings for salads. However, I think they really shine in this tuna recipe. I love how their tartness pairs with the lemon and tuna. So good!

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Ingredients for Tuna with Parsley and Capers

(See the full recipe at the bottom of this post.)

The Sauce

capers, drained
garlic
lemon zest
red pepper flakes
fresh parsley, chopped
freshly squeezed lemon juice
kosher salt
freshly ground black pepper
extra virgin olive oil

Tuna Steaks

tuna steaks (4-5 oz each)
extra virgin olive oil
kosher salt
freshly ground black pepper

Instructions for Making This Recipe

To begin, gather all your ingredients so that you have everything close at hand on the counter or table.

Prepare the Caper Sauce

Using a knife and cutting board, chop the parsley. Mince the garlic.

Zest the lemon with a fine-edged grater to make 1 teaspoon. Squeeze the lemon to make 2 tablespoons fresh lemon juice.

Place the capers, minced garlic, lemon zest, and red pepper flakes inside a mortar bowl. Mash the ingredients with pestle to make a loose paste.

Transfer the capers to a small bowl, and add chopped parsley and lemon juice. Stir in the kosher salt, and freshly ground black pepper.

Whisk in the extra virgin olive oil to finish the sauce. Set aside.

Cook the Tuna

Pat the tuna steaks with paper towels to remove excess moisture. Brush each with olive oil on both sides. Sprinkle with kosher salt, and freshly ground black pepper.

It’s not necessary to use fresh tuna for this recipe. Here in Kansas, our seafood comes frozen, and I’ll often buy Ahi Tuna Steaks from Sam’s Choice or from Aldi.

Heat a large cast iron skillet (or grill) on medium-high heat. Brush the grill with olive oil.

Add tuna steaks to the pan and sear on each side for 3-4 minutes, brushing with more oil before turning.

If desired, turn steaks 90 degrees to create cross-hatch marks. Adjust the heat as needed to prevent the skillet from getting too hot. Steaks should be opaque and slightly pink in the center. Do not overcook the tuna or it will be tough.

I like to use my cast iron grill pan to cook the tuna, in order to leave cross-hatch marks on the steaks for a more appealing presentation.

To serve, place tuna steaks on individual plates and spoon the Parsley-Caper-Lemon Sauce over the steaks. Garnish with fresh parsley is desired.

This recipe will serve 4 people. Serve tuna steaks with Herbed Brown Rice and a green vegetable such as petite green peas, asparagus, or Skillet Gnocchi and Brussels Sprouts.

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Tuna with Parsley and Capers

Here's a delicious and easy way to cook tuna. The Parsley, Caper, and Lemon Sauce remarkably enhances the flavor of the tuna. I give this one 5 stars!

Prep Time 12

Cook Time 8

Total Time 20

Serving Size 4

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Equipment

Ingredients

Parsley Caper Lemon Sauce

2 tablespoons capers (drained)
2 teaspoons garlic (minced)
1 teaspoon lemon zest
1/4 teaspoon red pepper flakes
1/3 cup fresh parsley (chopped)
2 tablespoons lemon juice (freshly squeezed)
1/2 teaspoon kosher salt
1/2 teaspoon freshly ground black pepper
1/4 cup Extra Virgin olive oil

Tuna Steaks

20 oz tuna steaks (3/4" thick, 4-5 oz each)
3 tablespoons Extra Virgin olive oil
1 teaspoon kosher salt
1/2 teaspoon ground black pepper