Chicken Pot Pie Ingredients

►1 recipe homemade pie crust (2 disks)►4 cups cooked chicken, shredded►6 Tbsp unsalted butter►1/3 cup all-purpose flour►1 medium yellow onion, (1 cup chopped)►2 carrots, (1 cup) thinly sliced►8 oz mushrooms, stems discarded, sliced►3 garlic cloves, minced►2 cups chicken stock►1/2 cup heavy cream►2 tsp salt, plush kosher salt to garnish►1/4 tsp black pepper, plus more to garnish►1 cup frozen peas (do not thaw)►1/4 cup parsley, finely chopped, plus more to garnish►1 egg, beaten for egg wash