We love a meticulously decorated holiday cookie as much as the next gal but sometimes (all of the time?) we just don’t have the time. So we developed the easiest icing yet, no careful dipping and drying required. Instead, you just whip up a batch of this one bowl icing, pour it over your cookies, e voila! For ultimate success, line a rimmed baking sheet with parchment or aluminum foil (for easy cleanup) and set a rack inside of it. Arrange your cookies on the rack about 2 inches apart so they have plenty of room to dry without sticking together.