Grate the Cheddar Cheese (2 cup).
Cook Egg Noodles (12 ounce). Drain and set aside.
Preheat oven to 350 degrees F (180 degrees C). Grease 9x13 in baking dish.
Mix Chicken (4 cup), Cream of Chicken Soup (2 can), Sour Cream (16 ounce) and cheddar cheese together.
Mix in egg noodles, and add to baking dish.
Top with Fried Onions (1 cup).
Bake for 25 to 30 minutes until cheese is fully melted.