- Preheat over to 350 degrees Fahrenheit. Remove wrappers from candies (about 35)
. Spray a baking sheet with non-stick spray. 
- In a small bowl, whisk together flour, baking soda and salt; set aside. 
- In a large bowl and using an electric mixer, beat the butter, sugar, vanilla, milk, and egg until well blended. 
- Add the flour mixture gradually to the butter mixture, beating well after each addition until blended.
 
- Shape dough into 1 inch balls. Roll in red and/or green colored sugar. Place on prepared baking sheet.  
- Bake 8 - 10 minutes or until edges are lightly browned and cookies are set. Remove from oven; cool 2 to 3 minutes. Gently press candy piece into center of each cookie. 
Remove from cookie sheet to wire rack. Cool completely.