PREPARATION:
- Combine 2 cups water, coffee, powdered sugar and sweetener in small saucepan. Bring to a boil over medium-high heat and stir to dissolve completely.
- Pour into metal 8-inch square pan. Cover pan with foil and place in freezer. Freeze granita 2 hours or until slushy. Remove from freezer and stir to break mixture up into small chunks. Cover and return to freezer. Freeze 2 hours then stir to break granita up again. Cover and freeze at least 4 hours or overnight.
- To serve, scrape surface of granita with large metal spoon to shave off thin pieces. Spoon into individual bowls and top each serving with 1 tablespoon whipped topping. Serve immediately.
