In small microwave safe bowl, sprinkle gelatin over cranberry juice,let stand for 1 minute. Microwave on high for 40 seconds, stir. Let stand for 1 minute or until gelatin is completely dissolved

In blender, combine the gelatin mixture, yogurt, and strawberries. cover and process until blended. pour into crust. Refrigerate for 4 hours or until set. serve with whipped topping if desired.