01 -
Preheat your oven to 350°F (175°C).
02 -
In a skillet over medium heat, cook the ground beef and onion until the beef is browned and the onion is tender. Drain any excess fat.
03 -
In a small bowl, mix together the condensed cream of mushroom soup, milk, sour cream, salt, pepper, garlic powder, and paprika.
04 -
In a greased 9x13 inch baking dish, layer half of the sliced potatoes, followed by half of the beef mixture, and then half of the soup mixture. Sprinkle with one cup of shredded cheddar cheese.
05 -
Repeat the layers with the remaining potatoes, beef, soup mixture, and cheese.
06 -
Cover the dish with aluminum foil and bake for 1 hour. Remove the foil and bake for an additional 30 minutes, or until the potatoes are tender and the top is golden brown.