Thaw pastry at room temperature 30 minutes. Heat oven to 400°F (205C).
In small bowl, combine Prunes, apple butter, goat cheese and chives; mix well and set aside.
Unfold pastry onto lightly floured surface. Roll to 14 x 10 inch / 25 x 35 cm rectangle. Beginning at the long end, roll up pastry in jelly roll fashion; pinch seams and ends to seal. Place on baking sheet. With a sharp knife, cut diagonal slits, one inch apart, across top of pastry. Brush with egg mixture.
Spread Prune mixture over pastry, covering to within one inch of either end.
Brush all edges with egg mixture.
Beginning at the long end, roll up pastry in jelly roll fashion.
Pinch seams and ends to seal. Place on baking sheet.
With a sharp knife, cut diagonal slits, one inch apart, across top of pastry. Brush with egg mixture.
Bake 25 minutes until golden. Cool on baking sheet on wire rack 20 minutes.
To serve, cut into 12 slices along diagonal cuts.
Notes
Find more recipes starring California prunes here.