Mix butter and cream cheese until smooth.
Add flour and mix again until smooth.
Making this dough is easy with a food processor, hard with a mixer.
Roll dough into 3 balls.
Refrigerate dough to keep it from drying out.
The dough can be refrigerated for 1 to 2 hours, but it is not necessary.
Roll out 1 ball at a time and flour lightly.
Roll dough out in flour or granulated sugar so it doesn't stick.
Cut dough into squares or circles using cookie or biscuit cutter.
Add about a teaspoon of filling.
Roll squares into "logs." Fold circles over and seal with a fork.
Bake at 375℉ (190℃). for 10 to 15 minutes or until lightly browned.