Eggnog Thumbprints

These were so wonderful! They tasted best fresh out of the oven, as all cookies do. Be sure to sprinkle with nutmeg for the complete "eggnog" experience.Source: Grumpy's Honey Bunch blog.

• Ready In: 1 hr 30 mins
• Yields: 2 1/2 dozen

Ingredients

• 3⁄4 cup butter
• 1⁄2 cup sugar
• 1⁄4 cup  packed brown sugar
• 1  egg
• 1⁄2 teaspoon vanilla
• 1⁄4 teaspoon salt
• 2  cups all-purpose flour
• 1⁄4 cup butter
• 1  cup  sifted powdered sugar
• 1  tablespoon rum

Directions

1. In a large mixer bowl beat 3/4 cup butter till softened. Add sugar and brown sugar and beat til fluffy. Add egg, vanilla, and salt and beat well. Add flour and beat til well mixed. Cover and chill about 1 hour or till easy to handle.
2. Shape into 1-inch balls. Place 2 inches apart on an ungreased cookie sheet. Press down centers with thumb. Bake in a 350 degree oven about 12 minutes or till done. Remove and cool.
3. For filling, in a small mixer bowl beat 1/4 cup butter til softened. Add powdered sugar and beat till fluffy. Add rum and beat well. Spoon about 1/2 teaspoon filling into center of each cookie. Sprinkle with nutmeg. Chill till filling is firm. Makes about 50.
4. *You may substitute 1 tablespoon milk and 1/4 teaspoon rum extract for the rum.