Cheesy Crockpot Potatoes and Ham

2 pounds plain frozen hash brown potatoes

1 pound of diced ham

1 (8-oz.) package Velveeta cheese

1 can cream of mushroom soup

1 pint half-and-half

1/4 cup butter

1-1/2 cups shredded cheddar cheese

Spray the bottom of crockpot with non-stick spray. Spread the potatoes on the bottom and top with diced ham. Simmer all remaining ingredients in a saucepan just until cheese is melted and well incorporated. Do not bring to a boil. Pour cheese mixture over potatoes and ham. Cover and cook on low for 7-9 hours or on high 3-4 hours.