Directions1. Wash hands with soap and water.
2. In a medium-size mixing bowl, cream together cream cheese and sugar.
3. Blend yogurt and vanilla extract into this mixture.
4. Fold in strawberries, and pour filling into graham cracker crust.
5. Freeze for 2-3 hours or until set. 5 Top with whipped cream if you like, and allow pie to warm slightly before serving.