Preheat oven to 350F.
In a large bowl mix together the flour, baking soda, baking powder and salt. Set aside.
In the bowl of a stand mixer combine the butter and 2 cups of sugar, mix until creamy.
Add in eggs and vanilla. Mix until combined.
Slowly add the flour mixture to butter mixture and mix until dough comes together. Mix in White and Milk Chocolate chips.
Using tablespoon, scoop out dough and roll into balls. Roll balls of cookie dough in the sugar.
Place on cookie sheet and refrigerate 1 hour or overnight.
Bake at 350 for 15 minutes.
As soon as cookies come out of oven, lightly press a chocolate kiss into the center of the cookie.
Cool on a wire rack.