Preheat the oven to 350 F. In a large bowl, mix the butter and powdered sugar together until smooth. Add in the vanilla extract and flour and mix until a dough forms. Fold in the snickers and chocolate chips.
Roll the cookie dough into balls and place onto a large ungreased baking sheet. Bake for 10-12 minutes. Place powdered sugar into a shallow dish. Roll the cookies into the powdered sugar.