eggnog thumbprint cookies

Ingredients For eggnog thumbprint cookies

• DOUGH:
• 1 1/2 c

  all purpose flour
• 1/4 tsp

  nutmeg
• 3/4 c

  butter, room temperature
• 1/2 c

  granulated sugar
• 1 lg

  whole egg plus 1 egg yolk
• 1 tsp

  vanilla
• 1/2 c

  finely chopped walnuts
• 1 lg

  egg white, lightly beaten
• FILLING:
• 6 Tbsp

  soft butter
• 1 1/2 c

  powdered sugar
• 1 Tbsp

  eggnog or regular milk
• 1/4 tsp

  vanilla extract
• 1/8 tsp

  nutmeg
• 1 1/4 c

  finely chopped nuts,to roll cookies in (more if needed)