Make the icing Sift together powdered sugar and cocoa in a medium bowl. Set aside. Beat butter with a stand mixer fitted with the paddle attachment on medium speed until creamy, about 2 minutes.
The chai spice and eggnog don't come in until later, as they're added to the icing, along with powdered sugar, more vanilla, and milk. It's worth noting that these cookies aren't a quick recipe ...
For the rim: In a small bowl as wide as the glass, whisk together the powdered sugar and half-and-half. (The icing should be very thick.) Place the sprinkles on a small plate. Dip just the rims of ...
To get a feel for how much cream cheese it is, The Kitchn’s recipe for cream cheese frosting takes an 8-ounce block of cream cheese and one stick of butter to yield roughly three cups of frosting.