Kitchen Sink Christmas Cookies

0 Preheat oven to 350 degrees. Line two baking sheets with parchment paper and set aside.
1 In a medium bowl, cream your butter and sugars together. Then add the eggs and vanilla in. Beat until combined. 
2 Then add in flour, baking powder, baking soda and salt. Mix until combined.
3 Add in the M&M's, white chocolate chips, pretzel pieces, and sprinkles. Gently fold in with a spatula until everything is combined.
4 Scoop cookies onto a parchment lined cookie sheet.
5 Bake for 10-12 minutes, or until the edges are set.
6 Allow to cool a few minutes on the pan before transferring to a cooling rack.