Stir the butter and Swerve together, then add the cream cheese, egg, and vanilla extract and stir that up.
Add the flours to the mixture and stir until well blended together.
Place dough on parchment paper and shape into a roll. Then cut into cookie-sized pieces and place the parchment paper with cookies on a baking pan. (SEE RECIPE NOTE TO PLACE DOUGH IN FRIDGE BEFORE CUTTING TO MAKE IT EASIER TO CUT)
Spread sugar-free berry jam on top of each cookie.