Cornbread Dressing ala Nita without buttermilk

2 cups self-rising white cornmeal mix (White Lily Buttermilk White Cornbread Mix recommended or Martha White Hot Rize) 1 teaspoon table salt 1 -2 tablespoon[...]

2 tablespoons butter , melted or 2 tablespoons bacon drippings 2 cups chopped vidalia onions or 2 cups sweet onions (peeled and chopped fine) 1 cup chopped[...]