1. In a large skillet melt butter over medium heat.
2. Add mushroom, onion and garlic.
3. cook for 6 to 7 minutes or until mushrooms are tender.
4. Reduce heat to low and add chicken and cream cheese, stirring until cream cheese is melted and smooth.
5. Remove from heat and stir in cheese and pepper.
6. Let mixture cool for 20 minutes.
7. Preheat oven to 375 degrees.
8. Line baking sheets with parchment paper.
9. On a clean flat surface unroll one can of dough. Cut the dough lengthwise into 3 equal parts making 15 squares. Spoon about 1 tablespoon filling onto center of each square. Pull up the corners of dough over filling, pressing dough together gently to seal.
10. Repeat procedure with remaining dough and filling.
11. Place on prepared baking sheets.
12. Bake for 10 -12 minutes or until golden brown.
13. Serve immediately.
14. NOTE: be sure to use unperforated crescent roll dough.
15. Cooking time includes cooling time for the mixture.