Make chips: Throw potatoes in a gigantic bowl with 2 tablespoons of oil, and pepper until particularly secured. Preheat stove to 450 degrees F. Brains potato cuts in 1 layer on 2 treat sheets. Plan for 20 to 25 minutes until chips are crisped and gently burned. Oust from oven, season with salt and cool.
Make plunge: Warmth oil over medium warmth and incorporate onions and scallion whites. Cook, mixing consistently, until splendid darker and sensitive, around 10 minutes. Oust from warmth and license to cool.
On account of using ordinary yogurt, place it in a strainer fixed with a paper towel and set the strainer over a bowl. Enable the yogurt to exhaust and thicken for 20 minutes.
Get onions together with thickened or Greek-style yogurt, mayonnaise, onion powder, garlic powder, salt, pepper, and scallion greens and blend well to intertwine. Chill for 1 hour to enable flavors to consolidate. Present with chips.