chicken cobbler recipe

3 cups cooked chicken, shredded or cubed 2 cups mixed vegetables (peas, carrots, corn) 1 can (10.5 oz) cream of chicken soup 1/2 cup milk 1/2 teaspoon garlic powder 1/2 teaspoon onion powder Salt and black pepper to taste Topping: 1 cup all-purpose flour 1 tablespoon sugar