Frozen Mixed Berry Yogurt

4 Quart                                              
    
5 cups fresh or frozen mixed berries, thawed
5 cups plain yogurt
2 cups half and half
2 cups sugar

6 Quart

8 cups fresh or frozen mixed berries, thawed
8 cups plain yogurt
3 cups half and half
3 cups sugar

         
Procedure:
    Mash the berries and combine with the remaining ingredients.  Cover and refrigerate for about 30 minutes. Transfer to your ice cream freezer and freeze as directed.