Preheat oven to 350° and line a sheet tray with parchment paper
Cream butter and cream cheese together until fully mixed.
Add in sugar and vanilla, stir to combine.
Stir in flour and 1/2 cup graham cracker crumbs. Mix well.
If using the preserves, stir them and the additional flour in until well combined.
Scoop into balls and roll in remaining cracker crumbs.
Place on tray and bake for 13-15 minutes.
If desired, press down cookies slightly when still warm.
Once cooled, place in fridge and let chill. Best served cold.