Why You’ll Love Roast Vegetable and Tuna Warm Potato Salad Recipe
This recipe is comforting yet fresh, making it ideal for any season. The warm potatoes soak up the bold dressing while the roasted vegetables add natural sweetness and depth. It’s also highly versatile, protein-rich thanks to the tuna, and easy enough for a weeknight dinner but impressive enough for guests. Plus, everything comes together in one bowl for minimal fuss.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
4 tbsp extra virgin olive oil
2 tbsp balsamic vinegar
1 heaped tbsp capers, drained and finely chopped
1 garlic clove, crushed
salt and freshly ground black pepper
600g baby potatoes, cut larger ones in half
2–3 small peppers, cut into large chunks
1 courgette, thinly sliced
200g cherry tomatoes
1 tbsp olive oil
1 tsp dried oregano
2 x 145g tins tuna, drained
handful fresh flatleaf parsley, chopped
salt
Directions
- In a small bowl, mix the extra virgin olive oil, balsamic vinegar, capers, and crushed garlic. Season with pepper and a pinch of salt. Set aside.
- Place the baby potatoes in a saucepan of cold salted water. Bring to a boil and cook for 10–12 minutes until just tender. Drain well and transfer to a large bowl. While still warm, toss with a spoonful of the dressing and cover to keep warm.
- Preheat the oven to 240°C (220°C fan) or Gas Mark 8½.
- Spread the peppers, courgette, and cherry tomatoes on a large baking tray in a single layer. Drizzle with olive oil, sprinkle with oregano, and season with salt.
- Roast for 15–20 minutes until the vegetables are softened, lightly charred, and the tomatoes have burst.
- Add the roasted vegetables to the potatoes. Flake in the tuna, pour over the remaining dressing, and add the parsley. Gently mix everything together and serve warm or allow to cool before storing in the fridge.
Servings and Timing
Servings: 3
Preparation time: 15 minutes
Cooking time: 40–45 minutes
Total time: 1 hour
Variations
You can swap tuna for grilled chicken or chickpeas for a vegetarian version. Add olives or sun-dried tomatoes for extra Mediterranean flavor. Sweet potatoes can replace baby potatoes for a slightly sweeter twist. You can also add feta cheese for a creamy, salty finish.
Storage/Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. This salad can be eaten cold straight from the fridge or gently reheated in a pan over low heat. If reheating, add a small splash of olive oil to refresh the texture. Avoid overheating to prevent the tuna from drying out.
FAQs
Can I use canned tuna in oil instead of water?
Yes, tuna in oil works well and adds extra richness to the salad. Just drain lightly before using.
Can I make this recipe ahead of time?
Yes, you can prepare it a few hours in advance. It tastes great warm or at room temperature.
Can I serve this salad cold?
Absolutely, it works well both warm and cold, making it perfect for meal prep.
What can I use instead of capers?
You can use chopped green olives or a small amount of pickled gherkins for a similar tangy flavor.
Can I skip the oven roasting step?
You can, but roasting adds depth and sweetness to the vegetables that boiling or steaming won’t replicate.
What other vegetables can I add?
Eggplant, zucchini variations, red onion, or mushrooms all work well in this dish.
Is this recipe gluten-free?
Yes, all the ingredients are naturally gluten-free.
Can I use dried herbs instead of oregano?
Yes, thyme or mixed Italian herbs are good substitutes.
How do I keep the potatoes from becoming mushy?
Boil them just until tender and avoid overmixing after cooking to maintain their texture.
Can I double the recipe?
Yes, simply double all ingredients and use two baking trays to ensure even roasting.
Conclusion
Roast vegetable and tuna warm potato salad is a balanced, flavorful dish that brings together simple ingredients in a satisfying way. With tender potatoes, roasted vegetables, and a zesty dressing, it’s an easy recipe that delivers both comfort and freshness in every bite.
Roast Vegetable and Tuna Warm Potato Salad
A hearty warm potato salad with roasted vegetables and tuna, tossed in a tangy olive oil, balsamic, caper, and garlic dressing. Perfect served warm or chilled for a satisfying meal.
- Prep Time: 20 minutes
- Cook Time: 40 minutes
- Total Time: 1 hour
- Yield: 3 servings
- Category: Salad
- Method: Boil and Roast
- Cuisine: Mediterranean
- Diet: Low Fat
Ingredients
- 4 tbsp extra virgin olive oil
- 2 tbsp balsamic vinegar
- 1 heaped tbsp capers, drained and finely chopped
- 1 garlic clove, crushed
- salt and freshly ground black pepper
- 600g/1lb 5oz baby potatoes (cut larger potatoes in half)
- 2–3 small peppers, cut into large chunks
- 1 courgette, thinly sliced
- 200g/7oz cherry tomatoes
- 1 tbsp olive oil
- 1 tsp dried oregano
- 2 x 145g tins tuna, drained
- handful fresh flatleaf parsley, chopped
- salt
Instructions
- To make the dressing, mix 4 tbsp olive oil, balsamic vinegar, capers, and crushed garlic in a small bowl. Season with pepper and a pinch of salt, then set aside.
- Place the potatoes in a saucepan of cold salted water. Bring to a boil and cook for 10–12 minutes until just tender, then drain well and transfer to a large bowl.
- Toss the warm potatoes with a spoonful of the dressing and cover to keep warm.
- Preheat the oven to 240C/220C Fan/Gas 8½. Spread peppers, courgette, and cherry tomatoes on a baking tray in a single layer, drizzle with 1 tbsp olive oil, sprinkle with oregano, and season with salt.
- Roast for 15–20 minutes until softened and lightly charred, with tomatoes burst.
- Add roasted vegetables to the potatoes, flake in the tuna, pour over remaining dressing, add parsley, and gently mix to combine. Serve warm or chilled.
Notes
- Best served slightly warm, but also works well chilled for meal prep.
- You can swap tuna for canned salmon or chickpeas for a variation.
- If making ahead, add parsley just before serving for freshness.
- Store in the fridge for up to 2 days in an airtight container.
Nutrition
- Serving Size: 1 serving
- Calories: 600 kcal
- Sugar: 6 g
- Sodium: 700 mg
- Fat: 25 g
- Saturated Fat: 4 g
- Unsaturated Fat: 18 g
- Trans Fat: 0 g
- Carbohydrates: 55 g
- Fiber: 7 g
- Protein: 35 g
- Cholesterol: 60 mg
