1. Preheat oven to 350 degrees Fahrenheit.
2. Stir sugar into crushed graham cracker crumbs.
3. Add melted butter and stir.
4. Press crumbly mixture into one glass, 13×9 baking pan.
5. Sprinkle three cups of marshmallows on top of crust.
6. Bake for eight minutes or until marshmallows are golden brown.
7. Remove from oven and allow pan to cool completely.

For the filling

1. Mix 1 cup of chopped chocolate, 1 cup of graham cracker pieces into 4 cups of yogurt until smooth and thoroughly combined.
2. Spread filling into cooled pan.
3. Sprinkle with leftover toppings.
4. Freeze four hours or until firm.
5. Enjoy!