Preheat oven to 425°F.
Lay pie crust down in a lightly greased 9x13 pan, pressing together the seams.
In a separate bowl, combine chicken, cream of chicken, cream of mushroom, veggies, and seasonings and mix til incorporated.
Pour mixture over pie crust and spread evenly.
Cover with the puff pastry, using a knife cut vent strips cross wise each direction.
Brush melted butter onto all pastry and bake at 425°F for 35-40 mins or until the puff pastry is golden brown.
Let cool and enjoy!