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A warm roasted baby potato salad with juicy green beans, tossed in a simple mustard vinaigrette. It's mayo-free and perfect for summertime parties!
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20-Minute Roasted Baby Potato and Green Bean Salad

This potato salad is mayo-free, making it great for outdoor parties and potlucks in warm weather. I prefer serving it slightly warm, fresh out of the oven- but it holds well to serving cold, too. Use baby yellow potatoes which, when roasted, have a crispy outside and soft, creamy insides.
Prep Time20 minutes
Cook Time5 minutes
Total Time25 minutes
Course: Side Dish
Servings: 4
Author: Ruthy Kirwan

Ingredients

  • 12 ounces baby potatoes
  • 3 tablespoon olive oil divided
  • 2 cups fresh green beans trimmed
  • 1 shallots minced
  • 1 tablespoon whole grain mustard
  • 1 tablespoon red wine vinegar

Instructions

Prep Ahead:

  • Prep the baby potatoes: Preheat oven to 400*F. Slice the potatoes so that they are almost all the same size.
  • Line a sheet pan with aluminum foil, then toss the potatoes with 2 tablespoons olive oil, making sure the potatoes are thoroughly coated, and spread evenly on the pan.
  • Roast the potatoes for 15 minutes or until browned. Toss the potatoes with a spatula. Place the pan back in the oven to cook for another 5-8 minutes, or until cooked through and the bottoms are crispy.
  • When cool enough to handle, transfer the roasted potatoes to a resealable bag or container.
  • Prep the green beans: Fill a large pot with water and bring to a boil.
  • Add the green beans and boil 3-5 minutes or until bright green and just starting to soften.
  • While the green beans are boiling, fill a large bowl with ice cubes and water.
  • When the green beans are ready, drain and then immediately transfer to the ice water to stop any further cooking.
  • Drain the green beans and transfer to a resealable bag or container.
  • Mince the shallot and place in a small container with a tight fitting lid.
  • Add to the shallot container the whole grain mustard, remaining olive oil and red wine vinegar.
  • Secure the lid and shake the container, hard, until the dressing is emulsified and creamy.
  • The potatoes and green beans will store in the fridge for up to one week. The dressing will last in the fridge for up to 2 weeks.

Prepare From Prepped:

  • Combine the potatoes, green beans, and dressing in a large bowl. You may need to re-shake the dressing so it emulsifies again.
  • Toss to combine, then serve salad at room temperature.

Make From Fresh:

  • Preheat oven to 400*F. Slice the potatoes so that they are almost all the same size.
  • Line a sheet pan with aluminum foil, then toss the potatoes with olive oil, making sure the potatoes are thoroughly coated, and spread evenly on the pan.
  • Roast the potatoes for 15 minutes or until browned. Toss the potatoes with a spatula. Place the pan back in the oven to cook for another 5-8 minutes, or until cooked through and the bottoms are crispy.
  • While the potatoes are roasting, fill a large pot with water and bring to a boil. Add the green beans and boil 3-5 minutes or until bright green and just starting to soften. While the green beans are boiling, fill a large bowl with ice cubes and water.
  • When the green beans are ready, drain and then immediately transfer to the ice water to stop any further cooking.
  • Add the shallot, whole grain mustard, olive oil and red wine vinegar to a small container with a tight fitting lid. Add the lid, making sure it is secure. Shake the container, hard, until the dressing is emulsified and creamy.
  • When the potatoes are finished roasting, scrape them into a large bowl. Add the green beans and then the dressing and toss everything thoroughly to combine.
  • Serve the salad warm or at room temperature.