Gluten Free Chicken Pot Pie Casserole Recipe

Name: Gluten Free Chicken Pot Pie Casserole Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1 onion (chopped); 24 ounces frozen mixed vegetables; 4 cups chicken (cooked and shredded); 3 cups chicken stock; ½ teaspoon garlic powder; ¼ teaspoon onion powder; 1 teaspoon seasoned salt; 1 teaspoon dried thyme; 1.5 cups whole milk; 6 tablespoons cornstarch (or alternative thickeners); Sea salt (to taste); Black pepper (to taste); 1 ½ cups gluten free all purpose flour; 1 cup whole milk; 2 eggs; 4 tablespoons butter (melted); Fresh parsley (for garnish)