Grease your slow cooker with cooking spray or shortening. In a large bowl, stir together the hash browns, cheese soup, evaporated milk, and half of the French fried onions. Pour into the slow cooker. Cover, and cook on High for 4 hours, or Low for 8 hours. Top with remaining onions just before serving.
I did this recipe as is, but used a crock pot liner (which I sprayed). It was yummy! I didn't take a picture before serving it, and the leftovers were not that appetizing looking, although they tasted great. I think the french fried onions is really what