Whisk together chicken broth and gravy mix in a medium saucepan; cook over medium heat, whisking constantly, until thickened.
Remove from heat.
Stir in chopped cooked chicken, vegetable medley, and garlic powder.
Cut each piecrust into fourths.
Press 1 portion into the bottom and up the sides of each of 4 (10-ounce) ramekins or soufflé dishes.
Trim pointed ends.
Spoon chicken mixture evenly into prepared cups.
Top with remaining piecrust portions, pulling crust slightly to fit if necessary.
Trim pointed ends; fold edges under, and crimp.
Cut a small slit in center of each pie.
Heat a baking sheet at 400° for 5 minutes.
Remove from oven, and place ramekins on baking sheet.
Bake at 400° on lower rack 15 to 20 minutes or until golden brown.
Notes / Tips / Wine Advice:
To prepare 1 pot pie, place 1 piecrust in a 9-inch deep-dish pie plate; spoon in chicken mixture. Top with remaining piecrust, pinching edges to seal. Cut several small slits in crust. Bake at 400° for 35 to 40 minutes or until golden brown.