01 -
Preheat oven to 375°F (190°C) and grease a 9×13-inch baking dish.
02 -
In a large mixing bowl, whisk together condensed cream of chicken soup, sour cream, milk, garlic powder, onion powder, salt, and black pepper until smooth.
03 -
Add shredded chicken, thawed peas and carrots, and 1 cup of shredded cheddar cheese to the bowl. Stir to combine.
04 -
Gently fold in the cooked egg noodles until evenly coated.
05 -
Spread the mixture evenly into the prepared baking dish.
06 -
Sprinkle remaining 1/2 cup shredded cheddar cheese over the surface. If using, toss crushed butter crackers or breadcrumbs with melted butter and sprinkle evenly on top.
07 -
Bake uncovered for 25 to 30 minutes, or until the casserole is bubbling and the top is golden.
08 -
Let casserole cool for 5 minutes before serving.