In a large sucepan melt butter and stir in flour,cook until smooth and bubbly. Gradually add milk/broth stirring constantly until it boils and thickens. Remove from heat, stir in salt, pepper, onion, poultry seasoning, chicken, veggies and some of the cheese.

Place bottom pie crust into glass pie pan and press into place

Pour filling mixture into bottom crust and sprinkle with remaining cheese. Cover with top crust and crimp sides well. Make sure to cut several slits in top crust before baking

Place into a preheated 400 deg oven and bake for 35-40 minutes or until top is golden brown

Let stand and cool 10-15 minutes before serving to let it firm up