Preheat oven to 350 degrees
Cover a cookie sheet with parchment paper and set aside
Using a standing mixer, cream together the butter, powder sugar, vanilla and egg and mix until combined and creamy
Using a large bowl, combined the flour, baking soda and cream of tarter
Gradually add in the dry ingredients and mix on low speed
Using your hands continue to mix until fully combined
Pour sprinkles into their own bowl
Using a small ice cream scoop, scoop up a small amount of dough
Roll the dough into a ball and place onto the cookie sheet
Repeat steps for 23 more cookie dough balls
Pick up one ball and place it into the yellow sprinkles and roll the ball arourd so that the cookie dough ball becomes fully coated in the sprinkles
Repeat with remaining balls, alternating between the three sprinkles
Place into the oven for 8-12 minutes
Once cookies are baked let sit for 1 minute to cool
Quickly place the unwrapped hershey kiss into the center of the cookie
Let cookies sit on the tray for 10 -20 minutes or until the chocolate is cooled
Enjoy!