Blackberry-Chocolate Frozen Yogurt

• 2 (16 ounce) cartons low-fat vanilla yogurt
• 2 12 cups blackberries (Driscolls brand is suggested)
• 12 cup light corn syrup
• 14 cup sugar
• 12 cup coarsely chopped semisweet chocolate (3 ounces)

1. In a blender container or food processor bowl, combine half of the yogurt, 1/2 cup of the berries, half of the corn syrup and half of the sugar.
2. Cover and blend or process until almost smooth.
3. Pour mixture into ice cream freezer container.
4. Repeat first step and pour into ice cream freezer container.
5. Freeze mixture in an electric ice cream maker according to manufacturer's directions.
6. Remove dasher from ice cream maker.
7. Add remaining 1 1/2 cups berries and the chopped chocolate; stir to distribute.
8. Ripen (see note).
9. NOTE: To ripen frozen yogurt, after stirring in berries and chocolate, cover top of freezer can with waxed paper or foil.
10. Plug hole in lid and replace lid.
11. Pack outer freezer bucket with enough ice and rock salt to cover top of freezer can, using about 4 cups of ice and 1 cup rock salt.
12. Ripen for about 4 hours.

vanilla yogurt, blackberries, light corn syrup, sugar, semisweet chocolate

Taken from www.food.com/recipe/blackberry-chocolate-frozen-yogurt-67105 (may not work)