In a large bowl, cream together the butter and cream cheese until combined. Then mix in the sugar until fluffy.
Mix in the egg, egg yolk, and vanilla.
Fold in the flour, baking powder, and salt until just combined. Scoop with a standard cookie scoop (roughly two tablespoons), dropping each one into a bowl of powdered sugar. Toss the cookie dough ball in the sugar until fully coated, then transfer them to a parchment-lined baking tray.
Use the bottom of a round tablespoon to indent the dough, then fill it with one teaspoon of the pumpkin cheesecake filling. Sprinkle some of the graham cracker crumbs on half of the cookie. Freeze for 3-4 hours, overnight is best!
When ready to bake, preheat the oven to 350 F/180 C.
Bake the frozen cookies 2 inches apart for 12-13 minutes. Let the tray cool on a wire rack then dust with more powdered sugar if desired and enjoy!
Store the baked cookies in an airtight container in the fridge for 4-5 days. Before serving, bring them to room temperature. If you want to freeze them, transfer the frozen cookie dough balls to a freezer bag or airtight container with parchment in between layers, for up to 1 month.