Eggnog Thumbprint Cookies

* Makes about 40 cookies
== Ingredients ==
* ⅔ cup butter, softened
* ½ cup granulated sugar
* ⅛ teaspoon ground nutmeg
* 2 egg yolks
* 1 teaspoon vanilla
* 1½ cups all-purpose flour
* 2 slightly beaten egg whites
* 1 cup finely chopped walnuts
* ¼ cup butter
* 1 cup sifted powdered sugar
* 1 teaspoon rum or ¼ teaspoon rum extract
* 1 to 2 teaspoons milk
* ground nutmeg
== Directions ==
# Beat the ⅔-cup butter in a mixing bowl with an electric mixer on medium to high speed for 30 seconds.
# Add granulated sugar and the ⅛-teaspoon nutmeg; beat until combined.
# Beat in egg yolks and vanilla.
# Beat in as much flour as you can.
# Stir in any remaining flour with a wooden spoon.
# If necessary, cover and chill dough about 1 hour or until easy to handle.
# Shape into 1-inch balls.
# Roll balls in egg whites, then in chopped walnuts.
# Place 1 inch apart on lightly greased cookie sheets.
# Press centers with your thumb.
# Bake in a 375°F oven for 10 to 12 minutes or until edges are lightly browned.
# Cool on wire racks.
# For filling, beat the ¼-cup butter until softened.
# Add powdered sugar and beat until fluffy.
# Beat in rum or rum extract and enough milk to make of spreading consistency.
# Spoon or pipe about ½ teaspoon filling into center of each cookie.
# Sprinkle with nutmeg.
==Contributed by:==
*Catsrecipes Y-Group
* Source: SeasonsAtHome
Category:Cathy's Recipes
Category:Christmas Cookies
Category:Filled cookie Recipes
Category:Walnut Recipes
Category:Rum Recipes
Category:Rum extract Recipes
Category:Nutmeg Recipes
Category:Vanilla extract Recipes