I decreased the nutmeg in the recipe and also used used the icing recipe below. I had several requests for these at work and my brother even took them for his office holiday potluck!
Courtesy of CJ at AllRecipes
Mrs. Field's Eggnog Cookies1 1/4 cups white sugar
3/4 cup butter, softened
1/2 cup eggnog
1 tsp vanilla extract
2 egg yolks
1/2 tsp ground nutmeg
2 1/4 cup all-purpose flour
1 tsp baking powder
1/2 tsp ground cinnamon
Preheat oven to 300*F. Combine flour, baking powder, cinnamon and nutmeg. Cream sugar and butter until light. Add eggnog, vanilla, and egg yolks; beat at medium speed with mixer until smooth. Add flour mixture and beat at low speed until just combined. Do not overmix.
Drop by teaspoonfuls onto ungreased cookie sheet 1 inch apart. Sprinkle lightly with nutmeg or skip this step and sprinkle on the nutmeg after you ice the cookies. Bake for 23-25 minutes or until bottoms turn light brown.
Transfer to cool, flat surface immediately with spatula.
1-1/2 C. confectioners’ sugar
3 Tbsp eggnog (use as much as you need)
In small mixer bowl, beat confectioners’ sugar and eggnog until icing is smooth. Pour in ziplock bag and cut the tip off a corner and drizzle over cookies.