Rise and Shine Yogurt Shake

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Duval Estate in Seven Points, Texas in 1999.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * ⅓ cup plain yogurt
 * ½ cup low-fat milk
 * ½ ripe banana peeled
 * 2 tablespoons pineapple juice concentrate undiluted

Directions

 * 1) In blender whirl all ingredients together 30 seconds to 1 minute until smooth and frothy.