• Preheat oven to 350 degrees and line 2 cookie sheets with parchment paper.
• Using a large bowl, beat together the butter and sugar until light and fluffy.
• Beat in the egg, vanilla until combined.
• In a medium bowl, whisk together the flour, cocoa powder, and kosher salt.
• Gradually beat in the dry ingredients until combined.
• Pour the 2 C sugar into a small bowl.
• Using a small ice cream scooper, scoop the cookie dough into your hand and roll into a ball.
• Roll the cookie dough ball in the sugar.
• Place onto the cookie sheet and use a tablespoon to make an indent into the center of the cookie dough ball.
• Place into the oven and bake for 8 minutes.
• Allow cooling completely.

Chocolate ganache

• Using a small pot, bring the heavy whipping cream to a simmer.
• Pour over the chocolate chips into a heatproof bowl.
• Allow sitting for a minute before whisking until smooth.
• Allow the ganache to sit to cool for 5 minutes.
• Spoon into the piping bag.
• Fill in the center of the cookie with the ganache.
• Sprinkle some Christmas sprinkles on top.
• Enjoy!