PREPARATION:

1. Preheat oven to 400°F. Combine flour, 1/4 cup sugar, milk powder, baking powder, baking soda and salt in medium bowl. Stir in oil until mixture becomes crumbly. Add buttermilk; stir until moistened. Set aside.
2. Combine remaining 1/2 cup sugar, cornstarch and water in medium saucepan. Stir until cornstarch is dissolved. Cook over medium heat, stirring constantly until thickened. Add cherries and vanilla; stir until cherries are completely coated. Pour into 8-inch square baking pan; spoon biscuit mixture over cherries.
3. Bake 25 minutes or until topping is golden brown. Serve warm with nonfat frozen yogurt, if desired.