Kitchen Sink Christmas Cookies

"I’d argue that these Christmas Kitchen Sink Cookies might be Santa’s favorite cookie. They have the taste of a classic, chewy chocolate chip cookie and have white chocolate chips with M&Ms and pretzels for crunch, too! When I say the Kitchen Sink, it may not be EVERYTHING you can think of (see the Variations section of this post for truly everything!), but there is quite a bit going on in these cookies. Lots of mix-ins make for an eye appealing cookie that tastes great, too. "