01 - Set the oven temperature to 425°F and prepare for roasting.
02 - Toss halved baby potatoes with olive oil, kosher salt, and black pepper until evenly coated. Arrange in a single layer on a baking sheet.
03 - Roast the potatoes for 25 to 30 minutes, turning once halfway, until golden brown and crisp. Allow to cool for 10 minutes.
04 - In a large bowl, whisk together extra-virgin olive oil, apple cider vinegar, Dijon mustard, honey if using, salt, and black pepper until combined.
05 - Add the roasted potatoes, diced celery, chopped red onion, parsley, and chives to the bowl with dressing. Toss gently to incorporate all ingredients evenly.
06 - Taste and adjust seasoning if necessary. Serve the salad warm or at room temperature.