Eggnog Thumbprint Cookies are a soft cookie base with a creamy eggnog flavored filling. These are perfect for your holiday cookie tray, whether you are serving them at a party, or giving them away as a gift!
In a large bowl using an electric hand mixer on medium speed, mix the ¾ cup butter for 2 minutes, or until creamy.
Mix in the granulated sugar and brown sugar on low speed to incorporate, then mix on medium speed until fluffy.
Add the the egg, vanilla, and salt and mix well.Using a wooden spoon , stir in the flour until well combined. Cover the bowl with plastic wrap and chill for 1 hour, or till easy to handle.
Shape into 1-inch balls. Place 2 inches apart on a parchment paper-lined baking sheet. Press down centers with thumb. Bake 12 minutes or till done. Remove from oven and cool completely on wire racks.
For the filling, in a small bowl beat ¼ cup butter till softened. Add powdered sugar and beat till fluffy. Add the rum and beat well. Spoon about ½ teaspoon filling into the center of each cookie. Sprinkle with freshly grated nutmeg. Chill till filling is firm.
Notes
*You may substitute 1 tablespoon milk and ¼ teaspoon rum extract for the rum.