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Roasted Potato Salad with Spring Onions and Radishes – A Flavorful Side Dish

emily_cater
Published : March 25, 2026

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.

Roasted potato salad with spring onions and radishes in a bowl
Table of Contents

Recipe at a Glance

Best forSummer salads, potlucks, BBQs
DifficultyEasy
Total time40 minutes
Servings4
Key tipServe warm or at room temperature for the best flavor.
Smart swapSubstitute 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.

Roasted Potato Salad with Spring Onions and Radishes
IngredientQuantity
Baby potatoes2 cups
Spring onions1 cup
Radishes1 cup
Arugula2 cups
Fresh basil leaves1/2 cup
Olive oil3 tablespoons
Lemon juice2 tablespoons
Saltto taste
Pepperto 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.

ItemValue
Prep time10 minutes
Cook time30 minutes
Store time2-3 days in the fridge
Calories240 per serving
Protein4g
Carbohydrates32g
Fat12g

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

ErrorExplanation
Overcrowding the panPlacing too many potatoes on the baking sheet prevents even roasting. Ensure they have space between them.
Not seasoning enoughUnder-seasoned potatoes can taste bland. Generously salt and pepper them before roasting.
Skipping the pestoThe dressing is essential for flavor; don’t skip it! Prepare it fresh for the best taste.

Tips for Success

TipExplanation
Even potato sizeCutting the baby potatoes into similar sizes ensures they cook evenly.
Fresh ingredientsUsing fresh arugula and basil makes a significant difference in flavor.
Serve chilled or at room tempThis 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.

IdeaBest forHow to do it
Substituting sweet potatoesFor a sweeter flavorReplace half the baby potatoes with diced sweet potatoes for added sweetness.
Adding cheeseFor extra creaminessSprinkle feta or goat cheese on top before serving for a creamy finish.
Serving chilledFor summer gatheringsAllow the salad to rest in the fridge for at least an hour before serving.
Preparing as a meal prep optionFor busy week lunchesStore 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 LinkWhy Try It Next
Mediterranean Roast Vegetables SandwichIt’s a delicious way to enjoy roasted veggies with a Mediterranean twist.
Wholesome Mediterranean Rice and BeansThis dish offers a wholesome, nutritious option featuring similar fresh ingredients.
Low Carb Asparagus SaladA 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.

Print
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Roasted potato salad with spring onions and radishes in a bowl

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

Units Scale
  • 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

  1. Preheat the oven to 400°F (200°C).
  2. Halve the baby potatoes and place them on a baking sheet. Drizzle with olive oil and season with salt and pepper.
  3. Roast the potatoes for about 25-30 minutes, or until golden and tender.
  4. Combine arugula, basil, lemon juice, and a pinch of salt and pepper in a food processor. Blend until smooth to create the pesto.
  5. In a large bowl, combine the roasted potatoes, chopped spring onions, and sliced radishes.
  6. Toss with the basil-arugula pesto until well coated.
  7. 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

About the Author

emily_cater

Emily Carter is a CookMinutes recipe writer specializing in nourishing, family-friendly meals. She creates flexible, practical recipes with simple substitutions to help home cooks adapt dishes to their dietary needs and busy schedules.

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