Tuna steak with capers sauce

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Tuna steak with capers sauce

A tasty tuna steak beautifully seared and served with a tangy, herby and lemony sauce.
Servings 4 servings
Prep Time 20 minutes
Cook Time 15 minutes
Total Time 35 minutes


  • large skillet
  • cutting board
  • knife
  • mixing bowl


Ingredients for the tuna

  • 1.5 lb tuna steak
  • 2 tbsp avocado oil
  • lemon juice from a half a lemon
  • 1 tbsp capers in brine, drained
  • 1 tbsp butter
  • salt and pepper to taste

Ingredients for the capers sauce

  • 3/4 cup mayonnaise
  • 3 tbsp horseradish creamy
  • 2 tbsp lemon juice from half a lemon
  • 2 garlic cloves chopped
  • 2 tbsp capers drained and chopped
  • 3 tbsp parsley chopped
  • salt and pepper to taste


Steps for the steak

  • Gather your ingredients.
    Raw tuna steak and other ingredients on a cutting board
  • Preheat a large skillet with the oil; pat dry the tuna and season with salt and pepper; add the steak to the hot pan and sear on both sides.
    1.5 lb tuna steak, 2 tbsp avocado oil, salt and pepper to taste
    Raw tuna seasoned with salt and pepper and place in the hot skillet
  • When the tuna is almost done cooking (about 5 minutes per side), add the lemon juice, capers and butter; swirl the pan around to allow for the ingredients to combine and for the butter to melt; spoon the sauce over the fish as it cooks.
    lemon juice, 1 tbsp capers, 1 tbsp butter
    Seared tuna with the added lemon juice, capers and butter
  • Remove from the pan and serve with the sauce.
    Tuna steak served on a dinner plate with the sauce.

Steps for the capers sauce

  • Gather your ingredients.
    Herbs, sauces and aromatics on a plate
  • In a mixing bowl, spoon the mayo and horseradish; mix to combine.
    3/4 cup mayonnaise, 3 tbsp horseradish
    Mayo and horseradish being combined
  • Using a cutting board, chop the remaining ingredients, garlic, capers, parsley; add to the bowl along with salt and pepper and mix to combine.
    2 tbsp lemon juice, 2 garlic cloves, 2 tbsp capers, 3 tbsp parsley, salt and pepper to taste
    Remaining ingredients being chopped
Calories: 606kcal
Cost: $$
Course: Appetizer, Main Course, Side Dish, Snack
Cuisine: Italian
Keyword: easy dipping sauce, easy seafood recipe, how to cook tuna, lemon caper sauce, seafood dinner, seafood recipe, seafood sauce, seared tuna steak, tuna, tuna sauce, tuna steak


Calories: 606kcal | Carbohydrates: 3g | Protein: 41g | Fat: 47g | Saturated Fat: 8g | Polyunsaturated Fat: 22g | Monounsaturated Fat: 15g | Trans Fat: 0.1g | Cholesterol: 83mg | Sodium: 552mg | Potassium: 503mg | Fiber: 1g | Sugar: 2g | Vitamin A: 4009IU | Vitamin C: 10mg | Calcium: 37mg | Iron: 2mg

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