Roasted Potato Salad with Spring Onions and Radishes is a refreshing and vibrant side dish that’s sure to impress. With the earthy flavors of roasted potatoes complemented by the crunch of fresh radishes and spring onions, this salad is perfect for summer gatherings and picnics. Topped with a homemade basil-arugula pesto, it’s as visually appealing as it is delicious.

Table of Contents
Recipe at a Glance
| Best for | Summer salads, potlucks, BBQs |
| Difficulty | Easy |
| Total time | 40 minutes |
| Servings | 4 |
| Key tip | Serve warm or at room temperature for the best flavor. |
| Smart swap | Substitute baby potatoes with sweet potatoes for a twist. |
What are the main ingredients in Roasted Potato Salad with Spring Onions and Radishes?
The main ingredients in Roasted Potato Salad with Spring Onions and Radishes include baby potatoes, spring onions, and radishes. These ingredients provide a mix of earthy, crunchy, and peppery flavors, making the salad both satisfying and refreshing. You can easily swap baby potatoes for regular potatoes or use white onions instead of spring onions if desired.

| Ingredient | Quantity |
|---|---|
| Baby potatoes | 2 cups |
| Spring onions | 1 cup |
| Radishes | 1 cup |
| Arugula | 2 cups |
| Fresh basil leaves | 1/2 cup |
| Olive oil | 3 tablespoons |
| Lemon juice | 2 tablespoons |
| Salt | to taste |
| Pepper | to taste |
The roasted baby potatoes create a hearty base for this salad, offering a creamy texture paired with the crunchy radishes. Fresh arugula supplies a peppery note, while basil adds an aromatic sweetness that elevates the overall flavor profile of the dish. Both arugula and basil are packed with vitamins and minerals, making this salad not only delicious but nutritious as well.
Equipment Needed
- Large baking sheet
- Food processor
- Mixing bowl
- Measuring cups and spoons
How to make Roasted Potato Salad with Spring Onions and Radishes?
Making Roasted Potato Salad with Spring Onions and Radishes is a straightforward process that requires minimal prep and delivers fantastic flavors.
Step 1: Preheat the oven to 400°F (200°C).
Step 2: Halve the baby potatoes and place them on a baking sheet. Drizzle with olive oil and season with salt and pepper.
Step 3: Roast the potatoes for about 25-30 minutes, or until golden and tender.
Step 4: In a food processor, combine arugula, basil, lemon juice, and a pinch of salt and pepper. Blend until smooth to create the pesto.
Step 5: In a large bowl, combine the roasted potatoes, chopped spring onions, and sliced radishes.
Step 6: Toss with the basil-arugula pesto until well coated.
Step 7: Serve warm or at room temperature.
| Item | Value |
|---|---|
| Prep time | 10 minutes |
| Cook time | 30 minutes |
| Store time | 2-3 days in the fridge |
| Calories | 240 per serving |
| Protein | 4g |
| Carbohydrates | 32g |
| Fat | 12g |
Common Mistakes to Avoid + Pro Tips for Success
When making Roasted Potato Salad with Spring Onions and Radishes, I’ve stumbled upon a few common pitfalls that you should steer clear of.
Mistakes to Avoid
| Error | Explanation |
|---|---|
| Overcrowding the pan | Placing too many potatoes on the baking sheet prevents even roasting. Ensure they have space between them. |
| Not seasoning enough | Under-seasoned potatoes can taste bland. Generously salt and pepper them before roasting. |
| Skipping the pesto | The dressing is essential for flavor; don’t skip it! Prepare it fresh for the best taste. |
Tips for Success
| Tip | Explanation |
|---|---|
| Even potato size | Cutting the baby potatoes into similar sizes ensures they cook evenly. |
| Fresh ingredients | Using fresh arugula and basil makes a significant difference in flavor. |
| Serve chilled or at room temp | This dish tastes great either warm or chilled, allowing for versatile serving options. |
The most important takeaway for Roasted Potato Salad with Spring Onions and Radishes is to prioritize fresh, vibrant ingredients for the best taste.
Why You Will Love This Recipe
Roasted Potato Salad with Spring Onions and Radishes is a must-try for any gathering.
Flavorful and Fresh Ingredients
One reason I love this recipe is the combination of fresh vegetables and herbs that create a bright and flavorful dish. The roasted potatoes are fragrant and warm, while the raw radishes and spring onions add a crisp contrast that’s truly delightful.
Perfect for Any Occasion
This salad is versatile enough to serve at summer picnics, holiday gatherings, or potlucks. The ingredients are easily found, and the flavors appeal to a wide range of palates, making it a great addition to any meal.
Easy Preparation
With straightforward preparation steps, this salad can be whipped up in under an hour. It is a great make-ahead option, allowing you to prepare it in advance and serve it at your convenience.
A Family Favorite
I enjoy making Roasted Potato Salad for my family during warm months. They always ask for seconds, and I can’t wait to share how to make the homemade pesto as it ties everything together beautifully.
Ideas for Variations, Serving, and Storage
This Roasted Potato Salad is highly adaptable, featuring various ingredients that allow for creative variations.
Flavorful Variations
You can easily swap the baby potatoes with sweet potatoes for a hint of sweetness or even use green beans or asparagus for a different texture and flavor. Adding crumbled feta or goat cheese can give this salad a creamy touch, while toasted nuts provide crunch.
Best Serving Context
Serve this dish chilled or at room temperature to enjoy all the flavors. It pairs wonderfully with grilled meats, seafood, or as a stand-alone healthy lunch option. You might also consider serving it alongside other salads for a full platter.
Storage and Make-Ahead Tips
This salad stores well in an airtight container in the refrigerator for up to three days. If making ahead, prepare the potatoes and pesto separately to keep them fresh and flavorful. Combine when ready to serve for the best taste.
| Idea | Best for | How to do it |
|---|---|---|
| Substituting sweet potatoes | For a sweeter flavor | Replace half the baby potatoes with diced sweet potatoes for added sweetness. |
| Adding cheese | For extra creaminess | Sprinkle feta or goat cheese on top before serving for a creamy finish. |
| Serving chilled | For summer gatherings | Allow the salad to rest in the fridge for at least an hour before serving. |
| Preparing as a meal prep option | For busy week lunches | Store individual portions in mason jars for easy grab-and-go meals. |
More Recipes You Can Try Next
If you enjoyed this recipe, there are plenty more to explore.
| Recipe Link | Why Try It Next |
|---|---|
| Mediterranean Roast Vegetables Sandwich | It’s a delicious way to enjoy roasted veggies with a Mediterranean twist. |
| Wholesome Mediterranean Rice and Beans | This dish offers a wholesome, nutritious option featuring similar fresh ingredients. |
| Low Carb Asparagus Salad | A great alternative salad packed with flavor and healthy ingredients. |
Final Thoughts
Roasted Potato Salad with Spring Onions and Radishes is a delightful side that you’ll find yourself making time and again. It beautifully combines fresh produce into a comforting salad that suits various occasions. Plus, its vibrant colors and flavors will brighten any meal.
I encourage you to try this recipe for your next gathering or family dinner. There’s something special about homemade dishes that create lasting memories, so be sure to save it for later on Pinterest.
FAQ
Can I use regular potatoes instead of baby potatoes in this recipe?
Yes, you can definitely use regular potatoes instead of baby potatoes. Just make sure to cut them into similar sizes to ensure even cooking. This will create a delicious Roasted Potato Salad that everyone will enjoy.
What kind of dressing can I use if I don’t want to make the pesto?
If you prefer, you can use a simple vinaigrette made of olive oil, lemon juice, and a touch of mustard. This alternative will still add a fresh flavor to the salad, making it incredibly delicious.
How can I make this salad vegan?
This Roasted Potato Salad is naturally vegan if you skip adding cheese. The olive oil and herbs provide plenty of flavor. You can also add nutritional yeast for a cheesy flavor without the dairy.
Can I make this salad ahead of time?
Absolutely! This salad can be made a day in advance. Just keep the pesto separate until you’re ready to serve for the freshest flavors.
What can I serve with this Roasted Potato Salad?
This salad pairs wonderfully with grilled meats, fish, or as part of a large spread of vegetarian dishes. It can also serve as a standalone meal for a light lunch.

Roasted Potato Salad with Spring Onions and Radishes
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A vibrant and flavorful side dish perfect for any occasion, featuring tender baby potatoes, peppery radishes, and aromatic veggies.
- Total Time: 40 minutes
- Yield: 4 servings 1x
Ingredients
- 2 cups roasted baby potatoes
- 1 cup chopped spring onions
- 1 cup sliced radishes
- 2 cups fresh arugula
- 1/2 cup fresh basil leaves
- 3 tablespoons quality olive oil
- 2 tablespoons tangy lemon juice
- Fine salt to taste
- Freshly ground pepper to taste
Instructions
- Preheat the oven to 400°F (200°C).
- Halve the baby potatoes and place them on a baking sheet. Drizzle with olive oil and season with salt and pepper.
- Roast the potatoes for about 25-30 minutes, or until golden and tender.
- Combine arugula, basil, lemon juice, and a pinch of salt and pepper in a food processor. Blend until smooth to create the pesto.
- In a large bowl, combine the roasted potatoes, chopped spring onions, and sliced radishes.
- Toss with the basil-arugula pesto until well coated.
- Serve warm or at room temperature.
Notes
Serve warm or at room temperature for best flavor. Can substitute baby potatoes with sweet potatoes for a twist.
- Author: carter_emily
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Side Dish
- Method: Roasting
- Cuisine: American
- Diet: Vegetarian
Nutrition
- Serving Size: 1 serving
- Calories: 240
- Sugar: 2g
- Sodium: 200mg
- Fat: 12g
- Saturated Fat: 2g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 32g
- Fiber: 5g
- Protein: 4g
- Cholesterol: 0mg







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