1 3/4 cups graham cracker crumbs
1/2 cup white sugar
2 cups water
3/4 cup butter, melted
1 (9 inch) prepared chocolate cookie crumb crust
1 (7 ounce) jar marshmallow creme
Preheat oven to 350 degrees F (175 degrees C).
In a medium bowl, mix together graham cracker crumbs, sugar, water, melted butter and yogurt (if desired). Press mixture into bottom of pie pan.
Bake in preheated oven for 35 to 40 minutes, until top is golden. Cool completely before serving.