PREPARATION:

1. Beat butter and sugar in medium bowl at medium speed of electric mixer until fluffy.
2. Add apple butter and egg yolk; mix well. Add flour, cinnamon, apple pie spice and vanilla; beat at low speed until well blended.
3. Divide dough in half. Shape each half into 6-inch disc and wrap in plastic wrap. Refrigerate 30 minutes.
4. Preheat oven to 325°F. Invert 1 disc of dough into ungreased 9-inch round pie plate. Press dough into plate with lightly floured hand, covering bottom of plate completely.
5. Flute edge using handle of wooden spoon. Deeply score into 8 wedges.
6. Prick surface using tines of fork. Repeat steps with remaining disc of dough and another pie plate.
7. Bake 35 minutes or until golden brown. Remove to wire rack; cool completely. Cut into wedges.