Easy Keto Tuna Nicoise Salad with Dijon Dressing Recipe for a Healthy Meal

Discover the Delights of Keto Tuna Nicoise Salad with Dijon Dressing

Welcome to a culinary journey that marries the elegance of French cuisine with the health-conscious principles of the ketogenic diet. The Keto Tuna Nicoise Salad with Dijon Dressing is a refreshing take on a classic, offering a perfect balance of flavors and textures to delight your palate. This dish is not only a feast for the eyes but also a powerhouse of nutrition, keeping your macros in check without compromising on taste.

Whether you’re a seasoned keto dieter or just looking for a wholesome, low-carb meal, this salad is an ideal choice. It’s packed with high-quality proteins, heart-healthy fats, and an array of vitamins and minerals from the fresh vegetables. The tangy Dijon dressing adds a zesty twist, making each bite a delectable experience. Let’s dive into the world of keto-friendly French cuisine with this exquisite Tuna Nicoise Salad.

Keto Tuna Nicoise Salad with Dijon Dressing

The Essence of Keto Tuna Nicoise Salad

The Keto Tuna Nicoise Salad is a dish that speaks volumes about the versatility and creativity within a ketogenic lifestyle. Originating from the French Riviera, the traditional Nicoise Salad is known for its vibrant colors and rich flavors. Our keto-friendly version maintains the integrity of this beloved dish while making it accessible for those on a strict low-carb diet.

At the heart of this salad is the tuna steak, a lean protein that’s both filling and nutritious. Grilled to perfection, it provides an excellent source of omega-3 fatty acids, which are essential for heart health and cognitive function. The hard-boiled eggs contribute additional protein and healthy fats, making the salad a complete meal that satisfies for hours.

The array of vegetables, including crisp romaine lettuce, crunchy green beans, juicy cherry tomatoes, and refreshing cucumber, are all low in carbohydrates yet high in fiber and essential nutrients. The black olives add a touch of healthy monounsaturated fats and a burst of Mediterranean flavor.

What truly sets this salad apart is the homemade Dijon dressing. Made with extra-virgin olive oil, apple cider vinegar, and Dijon mustard, it’s a dressing that not only complements the robust flavors of the salad but also aligns perfectly with keto dietary needs. This dressing is a powerhouse of antioxidants and has properties that can aid in digestion and weight management.

Each ingredient has been carefully selected to create a symphony of flavors that adhere to keto guidelines. The result is a salad that is not only nourishing but also incredibly satisfying, proving that healthy eating can be both delicious and indulgent.

Keto Tuna Nicoise Salad Preparation

Mastering the Method

Creating the perfect Keto Tuna Nicoise Salad with Dijon Dressing is about understanding the nuances of each step. Here are some chef’s tips to elevate your salad:

Grilling the Tuna: The key to a succulent tuna steak lies in not overcooking it. Aim for medium-rare to retain moisture and flavor. Ensure your grill is preheated and that you’re ready to flip the steaks after just 2-3 minutes on each side. Letting the tuna rest post-grill allows the juices to redistribute, ensuring each slice is tender and flavorful.

Blanching the Green Beans: To achieve the perfect crunch and vibrant color, blanch the beans in salted boiling water for just a few minutes, then plunge them into an ice bath. This process, known as ‘shocking’, halts the cooking process and preserves the beans’ crispness and color.

Emulsifying the Dressing: The secret to a well-emulsified dressing is to whisk vigorously while slowly drizzling in the olive oil. This creates a stable emulsion that won’t separate, coating each ingredient of your salad evenly for maximum flavor in every bite.

Remember to slice the tuna against the grain to ensure it’s tender, and don’t hesitate to adjust the seasoning of your dressing to taste. The beauty of this salad is in its freshness and the harmony of flavors, so use the best quality ingredients you can find.

Keto Tuna Nicoise Salad Final Presentation

Variations to Spice Up Your Salad

Avocado & Feta Fusion

Add sliced avocado for a creamy texture and a boost of healthy fats. Crumbled feta cheese can introduce a tangy twist and additional richness, making the salad even more satiating.

Salmon Swap

Replace the tuna with grilled salmon for a different take on this classic. Salmon offers a similar nutrient profile with an abundance of omega-3 fatty acids and can add a smoky flavor to the salad.

Herbaceous Lift

Incorporate fresh herbs such as basil, parsley, or dill to add a new dimension of freshness. Herbs not only enhance the flavor but also provide additional health benefits.

Substitutions for Dietary Needs

While the Keto Tuna Nicoise Salad with Dijon Dressing is already tailored for a ketogenic diet, here are some substitutions to accommodate various dietary preferences:

For a Dairy-Free Option: Omit the feta cheese or replace it with dairy-free cheese alternatives. You can also add extra olives or avocado for added fat content without the dairy.

For a Nutrient Boost: Swap out romaine lettuce for a mix of dark leafy greens such as kale or spinach. These greens are higher in vitamins and minerals, adding an extra nutritional punch to your meal.

For a Nightshade-Free Version: Replace cherry tomatoes with diced red bell peppers for a similar burst of color and sweetness without the nightshades.

Frequently Asked Questions

Can I prepare this salad ahead of time? Yes, you can prep the components separately and assemble just before serving to maintain freshness. The dressing can be stored in the fridge for up to a week.

Is this salad high in protein? Absolutely, with both tuna and eggs, it’s an excellent source of high-quality protein.

Can I use canned tuna instead of fresh? While fresh is best for flavor and texture, canned tuna in water or olive oil can be used in a pinch.

How can I add more fat to this keto salad? Consider adding avocado slices, a sprinkle of cheese, or a few extra drizzles of olive oil.

Are there any other dressing options? For variety, try a pesto or creamy avocado dressing for a different flavor profile that’s still keto-friendly.

Keto Tuna Nicoise Salad with Dijon Dressing

Dive into a refreshing taste of the French Riviera with a keto twist. This Keto Tuna Nicoise Salad with Dijon Dressing offers a symphony of flavors and textures, combining flaky tuna, crisp greens, and a tangy dressing, while keeping your macros in check.
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Prep Time 20 minutes
Cook Time 10 minutes
Total Time 30 minutes
Course Lunch
Cuisine French
Servings 4 servings
Calories 380 kcal


  • Grill
  • Salad bowl
  • Whisk
  • Cutting board
  • Knife


  • 4 (6 oz each) Tuna steaks 170g each
  • 2 tablespoons Extra-virgin olive oil 30ml
  • 8 cups Romaine lettuce, torn ~200g
  • 4 Hard-boiled eggs, peeled and quartered
  • 1 cup Cherry tomatoes, halved ~150g
  • 2 cups Green beans, trimmed and blanched ~240g
  • ½ cup Black olives, pitted and halved ~60g
  • 1 medium Cucumber, sliced ~200g
  • cup Extra-virgin olive oil for the Dijon Dressing, 80ml
  • 3 tablespoons Apple cider vinegar for the Dijon Dressing, 45ml
  • 2 tablespoons Dijon mustard for the Dijon Dressing, 30ml
  • 1 clove Garlic, minced for the Dijon Dressing
  • Salt and pepper to taste for the Dijon Dressing


  • Begin by preheating the grill to medium-high heat.
  • Brush the tuna steaks with olive oil and season with salt and pepper. Place the tuna on the grill and cook for 2-3 minutes per side for medium-rare, or until the desired doneness is reached.
  • As the tuna cooks, prepare the salad base by arranging the torn romaine lettuce on a large platter or in a salad bowl.
  • Scatter the quartered hard-boiled eggs, halved cherry tomatoes, blanched green beans, pitted black olives, and sliced cucumber over the lettuce.
  • In a small bowl, whisk together the ingredients for the Dijon dressing until emulsified.
  • Once the tuna is grilled to your preference, remove it from the grill and let it rest for a few minutes before slicing it against the grain into 1/2-inch thick slices.
  • Arrange the tuna slices on top of the prepared salad.
  • Drizzle the Dijon dressing over the entire salad and gently toss to combine.
  • Serve the salad immediately, or refrigerate until ready to serve.


This salad is a complete meal on its own, but if you're looking to add more fat to your macros, consider adding a sliced avocado or some crumbled feta cheese. The Dijon dressing can be made ahead of time and stored in the refrigerator for up to one week. For a picnic or potluck, pack the components separately and assemble just before serving to maintain freshness and texture.


Calories: 380kcalCarbohydrates: 9gProtein: 35gFat: 23gFiber: 3gNet Carbs: 6g
Keyword dijon dressing, french keto recipe, Keto Lunch, keto tuna nicoise salad, Low-Carb Salad
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