beat together the butter, sugar, Brown sugar, and cream cheese in bowl of a stand mixer

add the egg and vanilla, mix well

mix together the flour, baking soda, and salt in a desperate bowl. add gradually the mixer, scraping down the sides of the bowl as its mixed

mix in Hershey baking melts with a wooden spoon

scoop by rounded tablespoon onto parchment or silicon lined baking sheet. bake at 350 for 9-10 minutes until edges look set.

let cool on baking sheet for a few minutes before moving to wire rack