Blueberry Smoothie 1 1/2 cups frozen unsweetened blueberries 1/2 cup frozen unsweetened pineapple chunks 1 cup pineapple juice 3/4 cup lemon yogurt Place blueberries and pineapple chunks in the bottom of a blender or food processor fitted with a metal blade. Pour juice over frozen fruit. Add lemon yogurt. Puree until smooth, stopping to push fruit into the blades of the blender, if necessary. Serves 2.