1 (6 oz.) frozen pineapple juice concentrate
1/2 c. water
1/2 c. milk
1 (8 oz.) carton vanilla yogurt
2 tbsp. sugar
1 1/2 tsp. vanilla
2 c. ice cubes
Fresh pineapple wedges; optional

Blend all ingredients except ice until smooth. Add ice cubes slowly through the lid and blend mixture until slushy. Pour into tall glasses. Decorate with a fresh pineapple wedge. Makes 3 servings.