To a medium sized bowl add in the butter, sugar, and brown sugar and beat well. Beat in the egg yolks and vanilla extract.
To a big bowl add in the remaining ingredients except for the candy kisses, and whisk. Add the dry ingredients to the wet ingredients and beat well. Refrigerate for 1 hour.
Preheat oven to 350 degrees F. Line a cookie pan with parchment paper. Roll the cookie dough into golf ball sized balls, and place on the cookie pan. Bake for 8 minutes.
Remove from the oven and let sit for 2 minutes. Unwrap the candy kisses and place on the top enjoy immediately or let harden.