01 -
Cook ground beef and onion over medium heat until meat is no longer pink, drain excess fat.
02 -
Mix in sliced potatoes, mushroom soup, and milk. Season with salt and pepper.
03 -
Bring to boil, then reduce heat and cook 10-15 minutes until potatoes are tender.
04 -
Heat oven to 350°F and grease a casserole dish.
05 -
Transfer mixture to prepared dish and top with shredded cheese.
06 -
Cook 20-25 minutes until cheese melts and gets bubbly.