Buttery, tangly, and packed with flavour, these seared tuna steaks with lemon, caper and parsley butter are a delicious low-carb easy dinner recipe. Perfect for weeknight dinners or special occasions, this dish offers a delightful combination of fresh ingredients and bold flavors. With its quick preparation time and elegant presentation, itβs sure to impress family and friends.
Why Youβll Love This Recipe
- Quick Cooking Time: This dish comes together in just 10 minutes, making it ideal for busy weeknights.
- Fresh Flavors: The combination of lemon, capers, and parsley brings a bright zing to the rich tuna steaks.
- Low-Carb Delight: Suitable for those following a low-carb diet without sacrificing taste.
- Versatile Pairings: Enjoy these tuna steaks with various sides like salads, potatoes, or grilled vegetables.
- Impressive Presentation: The vibrant colors of the garnish elevate the dish, making it perfect for entertaining.
Tools and Preparation
To create these seared tuna steaks perfectly, having the right tools on hand is essential. These tools help streamline the cooking process and ensure great results.
Essential Tools and Equipment
- Non-stick frying pan or griddle
- Small pot
- Tongs
- Measuring spoons
Importance of Each Tool
- Non-stick frying pan or griddle: Ensures even cooking and prevents the tuna from sticking during searing.
- Small pot: Perfect for melting butter and combining flavors without much fuss.
- Tongs: Help flip the tuna steaks easily while keeping them intact.
- Measuring spoons: Ensure accurate ingredient measurements for consistent flavor.
Ingredients
For the Tuna Steaks
- 800 grams (1 kg) Fresh tuna steaks
- Olive oil
- Sea salt & pepper
For the Lemon Caper Butter
- 100 grams salted butter
- 3 Tbsp baby capers
- 2 Β½ Tbsp chopped fresh parsley
- 2 Tbsp fresh lemon juice
For Garnish
- Caperberries
- Lemon wedges
How to Make Seared Tuna Steaks with Lemon, Caper and Parsley Butter
Step 1: Prepare the Tuna Steaks
- Brush the tuna steaks with olive oil.
- Season them generously with sea salt and pepper.
Step 2: Heat Your Pan
- Preheat your large non-stick frying pan or griddle over medium-high heat.
Step 3: Sear the Tuna Steaks
- Place the seasoned tuna steaks in the hot pan.
- Cook each side for about 3 to 5 minutes based on thickness. Aim for a pink center if desired; remove from heat before fully cooked as they will carry on cooking slightly.
Step 4: Make the Lemon Caper Butter
- In a small pot, combine butter, capers, parsley, and lemon juice.
- Heat until bubbling gently; stir to mix well.
Step 5: Serve Your Dish
- Pour the lemon caper butter over your seared tuna steaks.
- Garnish with caperberries and lemon wedges to enhance presentation.
These steps will help you create beautiful seared tuna steaks that are sure to be a hit! Enjoy your meal!
How to Serve Seared tuna steaks with lemon, caper and parsley butter
Serving seared tuna steaks with lemon, caper and parsley butter is an art. The vibrant flavors of the butter complement the rich taste of the tuna perfectly. Here are some delightful serving suggestions to enhance your dining experience.
Pair with Fresh Salads
- Mixed Green Salad: A simple salad with mixed greens, cherry tomatoes, and a light vinaigrette balances the richness of the tuna.
- Cucumber Salad: Crisp cucumber slices tossed in a tangy dressing add a refreshing contrast to the warm fish.
Add Flavorful Sides
- Boiled New Potatoes: Tossed in butter and fresh parsley, they provide a hearty side that pairs well with the fish.
- Grilled Asparagus: Lightly charred asparagus drizzled with olive oil enhances the dish without overpowering it.
Garnish for Presentation
- Caperberries: These add a touch of elegance and extra flavor when placed on top or alongside the tuna.
- Lemon Wedges: Offering wedges allows guests to squeeze fresh lemon juice over their steaks, enhancing the dishβs brightness.
How to Perfect Seared tuna steaks with lemon, caper and parsley butter
Perfecting seared tuna steaks requires attention to detail. Follow these tips for an outstanding dish every time.
- Bold seasoning: Generously season your tuna steaks with sea salt and pepper before cooking to enhance their natural flavor.
- High heat cooking: Ensure your pan is hot enough to achieve a nice sear without overcooking the center of the steaks.
- Quick cooking time: Cook each side for just 3-5 minutes, depending on thickness, to maintain that tender pink center.
- Quality ingredients: Use fresh tuna steaks and high-quality salted butter for the best results in flavor and texture.
- Rest before serving: Let your cooked steaks rest briefly before serving; this allows juices to redistribute for maximum tenderness.
- Experiment with garnishes: Donβt hesitate to try additional garnishes like microgreens or edible flowers for visual appeal.

Best Side Dishes for Seared tuna steaks with lemon, caper and parsley butter
Choosing the right side dishes can elevate your meal. Here are some excellent options that complement seared tuna perfectly.
- Garlic Roasted Vegetables: A mix of seasonal veggies roasted in garlic adds depth and flavor.
- Quinoa Salad: This protein-packed salad mixed with herbs and lemon zest provides a nutritious base.
- Rice Pilaf: Fluffy rice cooked with aromatics serves as a comforting side that absorbs any extra sauce from your dish.
- Coleslaw: A tangy coleslaw made from cabbage and carrots offers a crunchy texture that contrasts beautifully with tender tuna.
- Zucchini Noodles: Lightly sautΓ©ed zucchini noodles provide a low-carb option that pairs well with the buttery sauce.
- Sweet Potato Mash: Creamy mashed sweet potatoes bring sweetness that balances out the savory flavors of the dish.
- Grilled Corn on the Cob: Charred corn brushed with herb butter adds sweetness and a fun element to your plate.
- Roasted Beet Salad: Earthy beets combined with goat cheese create a sophisticated pairing that enhances your mealβs taste profile.
Common Mistakes to Avoid
Avoiding mistakes can make your cooking experience smoother and more enjoyable. Here are some common pitfalls to watch for when preparing seared tuna steaks with lemon, caper and parsley butter.
- Overcooking the tuna β Tuna steaks should be cooked just until they are seared on the outside. To avoid dryness, remove them from heat when they are still pink inside, as they will continue to cook off the heat.
- Not seasoning adequately β A sprinkle of sea salt and pepper can enhance the flavors significantly. Donβt skip this step; season both sides of the tuna steaks before cooking for optimal taste.
- Using low-quality ingredients β Fresh ingredients make a big difference in flavor. Always use high-quality tuna, fresh capers, and real butter to achieve the best results in your dish.
- Ignoring garnishes β Garnishes like caperberries and lemon wedges add a burst of color and flavor. Donβt forget to include these elements when serving to elevate your presentation.
- Rushing the process β Cooking at medium-high heat is essential for a good sear. Avoid cranking up the heat too high, as this can burn the outside while leaving the center undercooked.
Refrigerator Storage
- Store leftover seared tuna steaks in an airtight container.
- They can be kept in the refrigerator for up to 2 days.
Freezing Seared tuna steaks with lemon, caper and parsley butter
- Place cooled tuna steaks in a freezer-safe container or wrap tightly in plastic wrap.
- They can be frozen for up to 3 months, but itβs best to consume them sooner for optimal flavor.
Reheating Seared tuna steaks with lemon, caper and parsley butter
- Oven β Preheat to 350Β°F (175Β°C) and place tuna on a baking sheet. Heat for about 10 minutes or until warmed through.
- Microwave β Use a microwave-safe dish covered with a lid. Heat in short bursts (about 30 seconds), checking often to prevent overcooking.
- Stovetop β Heat a skillet over medium heat and add a little oil or butter. Warm each side for about 1-2 minutes until heated through.

Frequently Asked Questions
What is the best way to serve seared tuna steaks with lemon, caper and parsley butter?
Serving with fresh garnishes like caperberries and lemon wedges enhances both flavor and presentation. Pair it with boiled new potatoes or a green salad for a complete meal.
How do I know when my seared tuna steaks are done?
Watch for a golden-brown crust on the outside while keeping the inside pink. Use a meat thermometer; aim for an internal temperature of around 125Β°F (52Β°C) for medium-rare.
Can I use frozen tuna steaks?
Yes, you can use frozen tuna steaks! Just ensure they are fully thawed before cooking for even results.
What other sides pair well with seared tuna?
Besides boiled new potatoes, consider serving asparagus or a light salad as refreshing accompaniments that complement the dishβs flavors.
Final Thoughts
Seared tuna steaks with lemon, caper and parsley butter are not only delicious but also versatile enough to suit various occasions. This recipe offers room for customization; feel free to adjust seasonings or add your favorite side dishes. We encourage you to try this simple yet elegant dish that brings vibrant flavors right to your dinner table!

Seared Tuna Steaks with Lemon, Caper and Parsley Butter
- Author: Adeline
- Total Time: 15 minutes
- Yield: Serves 4
Description
Indulge in the vibrant flavors of seared tuna steaks with lemon, caper, and parsley butterβa perfect blend of fresh ingredients and bold taste. This easy, low-carb dinner recipe can be prepared in just 10 minutes, making it ideal for busy weeknights or special occasions. The buttery sauce adds a tangy kick to the rich tuna, while its impressive presentation garnished with caperberries and lemon wedges will surely wow your guests. Serve it alongside fresh salads or roasted vegetables for a complete meal that delights both the palate and the eyes.
Ingredients
- 800 grams Fresh tuna steaks
- Olive oil
- Sea salt & pepper
- 100 grams salted butter
- 3 Tbsp baby capers
- 2 Β½ Tbsp chopped fresh parsley
- 2 Tbsp fresh lemon juice
- Caperberries and lemon wedges for garnish
Instructions
- Brush the tuna steaks with olive oil and season generously with sea salt and pepper.
- Preheat a non-stick frying pan over medium-high heat.
- Sear the tuna steaks for 3 to 5 minutes per side, aiming for a pink center.
- In a small pot, melt the butter and mix in capers, parsley, and lemon juice until bubbling.
- Pour the lemon caper butter over the seared tuna steaks and garnish with caperberries and lemon wedges.
- Prep Time: 5 minutes
- Cook Time: 10 minutes
- Category: Main
- Method: Frying
- Cuisine: Seafood
Nutrition
- Serving Size: 1 steak (200g)
- Calories: 372
- Sugar: 0g
- Sodium: 630mg
- Fat: 28g
- Saturated Fat: 10g
- Unsaturated Fat: 18g
- Trans Fat: 0g
- Carbohydrates: 0g
- Fiber: 0g
- Protein: 37g
- Cholesterol: 86mg
Keywords: For an extra flavor boost, consider adding minced garlic to the butter sauce. Substitute fresh herbs like dill or basil if you prefer different flavors.