The Most Flavorful Tuna Nicoise
A refreshing French salad with grilled tuna, green beans, potatoes, and a garlic-herb vinaigrette. This french-inspired seafood ready in about 70 minutes pairs tuna steaks, cut into 1/2-inch cubes red potatoes, trimmed green beans for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 tuna steaks
- 1 lb, cut into 1/2-inch cubes red potatoes
- 1 lb, trimmed green beans
- 2 tbsp olive oil
- 3 garlic cloves
- 1 tbsp Dijon mustard
- 1 tbsp red wine vinegar
- 1 tbsp, chopped fresh thyme
Instructions
- Step 1: Preheat grill to medium-high. Season 4 tuna steaks with salt and pepper. Grill for 3-4 minutes per side until seared and flaky.
- Step 2: Toss 1 lb red potatoes with 2 tbsp olive oil and 1 tsp thyme. Roast at 400°F (200°C) for 25 minutes, stirring halfway.
- Step 3: Sauté 3 minced garlic cloves in 2 tbsp olive oil until fragrant. Whisk in 1 tbsp Dijon mustard and 1 tbsp red wine vinegar. Toss with 1 lb green beans and serve alongside the tuna and potatoes.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does The Most Flavorful Tuna Nicoise take to make?
Total time is about 70 minutes (30 min prep + 40 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover The Most Flavorful Tuna Nicoise?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep tuna steaks from drying out.
Can I substitute ingredients in The Most Flavorful Tuna Nicoise?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale The Most Flavorful Tuna Nicoise for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with The Most Flavorful Tuna Nicoise?
French seafood like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
I've tried many seafood recipes and this is hands down the best.
- ★★★★☆
My family liked it. I personally would prefer more depth of flavor.
