01 -
Preheat the oven to 425℉.
02 -
Place the quartered potatoes on a greased or parchment paper-lined baking sheet and roast for 35-40 minutes, or until golden brown with tender, fluffy insides.
03 -
In a large mixing bowl, combine the onions, cucumber, pistachios, dill, and parsley. Mix well and set aside.
04 -
In another bowl, combine the mayonnaise, mustard, garlic, lemon juice, sweetener, salt, pepper, and red chili flakes (if using). Whisk until smooth.
05 -
Once the potatoes are roasted, let them cool for a few minutes.
06 -
Toss the potatoes with the dressing, then add the chopped vegetable mixture. Gently mix until well combined.
07 -
Serve immediately for a warm potato salad or chill in the refrigerator for a cold potato salad.