Preheat oven to 200 degrees. Line a baking sheet with parchment paper and set aside. Throughly rinse the fruit and pat dry. Using a vegetable peeler, remove the orange peel in thin slices. Arrange the cranberries and the orange peel on the baking sheet and bake for about 8 hours, or until the fruit is completely dry, but not burned. Remove the baking sheet from the oven and allow to cool.
Add the dried cranberry and orange peel to a food processor and pulse about 10 times, or until the mixture turns to salt-sized flakes. Pour the mixture into a medium-sized bowl. Add the salt. Gently mix and pour the salt blend into an airtight jar. When kept sealed, the mixture will last for about 2 weeks.