1. Roll out dough thinly on well floured board, cutting dough into two parts.
2. Mix ground chicken with all remaining ingredients.
3. Place half of chicken mixture lengthwise across one dough. Roll up dough over filling. With sharp knife, mark indentations every two inches. Repeat with second dough.
4. Brush with additional egg. Bake for one hour at 375 degrees Fahrenheit, or until golden. Serve with Mushroom Sauce.