Add everything but the parsley to your slow cooker leaving the cream cheese on top.Cook on low for 4 hours or on high for 2.Take the lid off and stir, then let cook and additional 15-20 minutes with the lid off.Stir again, the mixture should be thicker than before you took the lid off.Garnish with the chopped parsley and serve.Check for flavor, you can additionally add salt or pepper if needed, but remember creamed corn isn't necessarily meant to be particularly salty like a corn on the cob could be.