Cheesy Hamburger Potato Casserole

Ingredients

1 pound crumbled ground beef

1 yellow onion, diced

3 to 4 pounds of potatoes, peeled and sliced

8 ounces, or more Cheddar Cheese, shredded

1 can Cheddar Cheese soup mix

12 ounces evaporated milk, or whole milk

½ cup milk

1 tsp salt

½ tsp pepper