Preheat oven to 325 degrees. Line a cookie sheet with parchment paper.
Beat together butter, sugar and brown sugar until creamy.
Add egg and vanilla extract. Beat until well blended.
Add flour, baking soda (and salt if using unsalted butter). Beat until dough forms a ball.
Remove ball from mixing bowl and split into 3 equal portions.
Add ⅓ cup of sprinkles to one of the dough balls.
Add dutch processed cocoa to the second dough ball.
Add black cocoa to the third dough ball.
Roll small dough balls with each type of dough.
Roll the dough balls into long logs. Roll the logs around premade Pillsbury Christmas Cookies.
Bake for 8-10 minutes or until edges start to become golden.
Move cookies to cooking rack.