Place plums, sugar, orange juice and zest in food processor or blender; puree. Pour into loaf pan and freeze, about 4 hours. Thirty minutes before serving, process again. Return to freezer until served.
Nutritional Information:
263 Calories (kcal); 1g Total Fat; (1% calories from fat); 2g Protein; 65g Carbohydrate; 0mg Cholesterol; 3mg Sodium