01 -
Set oven temperature to 175°C (350°F) and allow it to reach heat.
02 -
In a skillet over medium heat, cook ground beef and chopped onion until beef is browned and onions are translucent.
03 -
Prepare egg noodles according to package directions until al dente; drain thoroughly.
04 -
In a large mixing bowl, combine the browned beef and onions, cooked noodles, cream of mushroom soup, milk, and half of the shredded cheddar cheese.
05 -
Add salt and black pepper to taste, mixing thoroughly to distribute seasoning evenly.
06 -
Transfer the combined mixture to a greased baking dish, spreading evenly. Sprinkle the remaining cheddar cheese on top.
07 -
Bake in preheated oven for 30 minutes or until the cheese topping is melted and bubbly.