Try and push all of the ingred. Sprinkle with kosher salt and freshly ground black pepper, and toss to distribute. Spray crockpot with non-stick spray. Add the potatoes to the slow cooker along with the chopped onions, cheese, and ham. Layer half of ham, potatoes and onions in crock pot.Sprinkle with salt and ... with paprika. In a small bowl, combine the condensed soup with the water; pour the soup mixture over the potato mixture in the slow cooker. down so that they are mostly covered with liquid. Open box of scalloped potatoes and remove cheese packet. Mix cheese packet in with the water mixture. Combine milk, water, and margerine and spread in crockpot. Cover and cook on low 8 hours; or high for 4 hours. Next, stir in the potatoes, ham , and pepper.