Core apple and coarsely chop. Process apple in food processor until finely chopped.
Peel orange and coarsely chop. Add to food processor and process until finely chopped.
Add cranberries and process until finely chopped.
Add sugar and salt; process until mixed.
Transfer to a bowl. If time allows, cover and refrigerate 1-2 hours to allow the flavors to meld.
Variations:
* Include part or all of the orange rind.
* Reduce sugar and add chopped pears, dates, or raisins.
* Reduce sugar to 1/4 cup. Add stevia, monk fruits, or another sweetener to taste.
* Add 2 teaspoons chopped fresh ginger root.
* Add 1/2 cup chopped walnuts.