Grease dish and preheat oven to 350.
Brown beef in garlic salt.
Mix soup, cooked beef, milk, melted butter, parmesan cheese and 2 cups of shredded cheddar in large bowl.
Pour mixture into dish.
Layer tots evenly over mix.
Top with remaining 2 cups cheddar cheese.
Sprinkle a lil' more parm on top because why the heck not.
Cover with tin foil.
Bake 45 minutes or until tots are hot!