Preheat oven to 350 degrees. Line an insulated cookie sheet with parchment paper.
In the bowl of a stand mixer fitted with the paddle attachment or a large mixing bowl, beat cream cheese and butter until light and fluffy.
Add white sugar and brown sugar, mix to combine.
Beat in egg whites and vanilla.
In a separate mixing bowl, sift together flour, baking powder and salt. Gradually add into dough.
Fold in chocolate chunks.
Drop tablespoons full of dough onto prepared cookie sheet. Bake for 10-12 minutes until very lightly browned around the edges.
Move cookies to a cooking rack shortly after removing from the oven. Allow to cool and store at room temperture in an airtight container or plastic bag.
If you've tried this recipe, please come back and let us know how they were!