Amazing Chicken Pot Pie

Heat oven to 400. In a medium pan, melt butter on medium heat and saute chopped onion. Once onion is sauteed for about 10 minutes, add in the celery seed, onion powder, and Italian seasoning, stirring well.Add cup flour to the mixture and stir well, once thickened (about 30 seconds), start whisking in the milk and chicken broth. Continue to whisk until thickened to a consistency of a slightly thick gravy.Add in cooked meat, drained sweet peas and carrots, drained cut green beans, and stir well.Place Chicken Pot Pie filling mixture into a prepared 9 x 13 glass baking dish.Cover with 2 Pillsbury Crescent Seamless Dough sheets and then bake in oven for 30 minutes. Add a sheet of foil to cover top of dish after turning a golden brown (about 10-15 minutes into baking). Continue to bake remaining time. Remove from oven and allow to cool for 10 minutes before serving.