http://www.alltoprecipes.com
32 oz Vanilla Greek Yogurt
3/4 - 1 cup peanut butter
1/2 cup Confectioners sugar
1 9" Oreo pie crust
In large mixing bowl, stir yogurt, sugar, and peanut butter with whisk until smooth
Stir into pie shell
Chill overnight
Tip: Serve with chopped peanut butter cups, M&M's, whip cream or any other little treat you might like on top! :)