1. Mix together all ingredients and place in a baking dish no more than 1 inch deep; freeze for 1 hour, and scrape with a fork to break it up.
2. Freeze another hour, scrape with a fork, and repeat twice more. You may need to freeze the granita overnight to completely freeze it.
1. Whip all ingredients just until stiff peaks form.
2. To serve, scrape Orange Granita one more time with a fork, scoop onto a plate and serve with Vanilla Whipped Cream.