Add white candy coating and butterscotch chips to a medium pot and cook on LOW heat.
Stir constantly until all melted. Remove from heat and fold in peanut butter and chow mein noodles.
Use a cookie scoop, scoop out onto a parchment paper-lined cookie sheet, and let set until firm.
You can speed up setting by placing in the fridge for 15-20 minutes.
4 ingredient haystack cookies whip up in minutes for a quick and easy peanut butter no bake treat that will be gone in minutes!! ENJOY!.